* test: enable rpc prio test

* fix: system test called sample with wrong arguments

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chore: add SECURITY.md

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The emulator now supports the `NUMERIC` data type.

Version 2.11.0 and later of google-gax contains a fix that should reduce memory consumption somewhat when opening and closing clients multiple times.

Updates #1306

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This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [@types/node](https://togithub.com/DefinitelyTyped/DefinitelyTyped) | [`^10.3.0` -> `^14.0.0`](https://renovatebot.com/diffs/npm/@types%2fnode/10.17.60/14.17.0) | [![age](https://badges.renovateapi.com/packages/npm/@types%2fnode/14.17.0/age-slim)](https://docs.renovatebot.com/merge-confidence/) | [![adoption](https://badges.renovateapi.com/packages/npm/@types%2fnode/14.17.0/adoption-slim)](https://docs.renovatebot.com/merge-confidence/) | [![passing](https://badges.renovateapi.com/packages/npm/@types%2fnode/14.17.0/compatibility-slim/10.17.60)](https://docs.renovatebot.com/merge-confidence/) | [![confidence](https://badges.renovateapi.com/packages/npm/@types%2fnode/14.17.0/confidence-slim/10.17.60)](https://docs.renovatebot.com/merge-confidence/) |

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This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [sinon](https://sinonjs.org/) ([source](https://togithub.com/sinonjs/sinon)) | [`^10.0.0` -> `^11.0.0`](https://renovatebot.com/diffs/npm/sinon/10.0.0/11.1.0) | [![age](https://badges.renovateapi.com/packages/npm/sinon/11.1.0/age-slim)](https://docs.renovatebot.com/merge-confidence/) | [![adoption](https://badges.renovateapi.com/packages/npm/sinon/11.1.0/adoption-slim)](https://docs.renovatebot.com/merge-confidence/) | [![passing](https://badges.renovateapi.com/packages/npm/sinon/11.1.0/compatibility-slim/10.0.0)](https://docs.renovatebot.com/merge-confidence/) | [![confidence](https://badges.renovateapi.com/packages/npm/sinon/11.1.0/confidence-slim/10.0.0)](https://docs.renovatebot.com/merge-confidence/) |

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### Release Notes

<details>
<summary>sinonjs/sinon</summary>

### [`v11.1.0`](https://togithub.com/sinonjs/sinon/blob/master/CHANGELOG.md#&#8203;1110--2021-05-25)

[Compare Source](https://togithub.com/sinonjs/sinon/compare/v11.0.0...31be9a5d5a4762ef01cb195f29024616dfee9ce8)

\==================

-   Add sinon.promise() implementation ([#&#8203;2369](https://togithub.com/sinonjs/sinon/issues/2369))
-   Set wrappedMethod on getters/setters ([#&#8203;2378](https://togithub.com/sinonjs/sinon/issues/2378))
-   \[Docs] Update fake-server usage & descriptions ([#&#8203;2365](https://togithub.com/sinonjs/sinon/issues/2365))
-   Fake docs improvement ([#&#8203;2360](https://togithub.com/sinonjs/sinon/issues/2360))
-   Update nise to 5.1.0 (fixed [#&#8203;2318](https://togithub.com/sinonjs/sinon/issues/2318))

### [`v11.0.0`](https://togithub.com/sinonjs/sinon/blob/master/CHANGELOG.md#&#8203;1100--2021-05-24)

[Compare Source](https://togithub.com/sinonjs/sinon/compare/v10.0.1...v11.0.0)

\==================

-   Explicitly use samsam 6.0.2 with fix for [#&#8203;2345](https://togithub.com/sinonjs/sinon/issues/2345)
-   Update most packages ([#&#8203;2371](https://togithub.com/sinonjs/sinon/issues/2371))
-   Update compatibility docs ([#&#8203;2366](https://togithub.com/sinonjs/sinon/issues/2366))
-   Update packages (includes breaking fake-timers change, see [#&#8203;2352](https://togithub.com/sinonjs/sinon/issues/2352))
-   Warn of potential memory leaks ([#&#8203;2357](https://togithub.com/sinonjs/sinon/issues/2357))
-   Fix clock test errors

### [`v10.0.1`](https://togithub.com/sinonjs/sinon/blob/master/CHANGELOG.md#&#8203;1001--2021-04-08)

[Compare Source](https://togithub.com/sinonjs/sinon/compare/v10.0.0...v10.0.1)

\==================

-   Upgrade sinon components (bumps y18n to 4.0.1)
-   Bump y18n from 4.0.0 to 4.0.1

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The timeout values in the sample do not correspond with the official
documentation surrounding the sample:
https://cloud.google.com/spanner/docs/custom-timeout-and-retry#node

* chore: migrate to owl bot

* chore: copy files from googleapis-gen 46f25fb1121747b994ff5818963fda84b5e6bfd3

* chore: run the post processor

* 🦉 Updates from OwlBot

* chore: update post processor docker image

* 🦉 Updates from OwlBot

Co-authored-by: Owl Bot <gcf-owl-bot[bot]@users.noreply.github.com>

`optimizerStatisticsPackage` can be set in `QueryOptions` when running Cloud Spanner queries.
    
Can be configured through the following mechanisms:    
1. Through the `SPANNER_OPTIMIZER_STATISTICS_PACKAGE` environment variable.
1. At `Database` level using `spanner.instance('instance-name').database('database-name', sessionPoolOptions, queryOptions)`.
1. At query level using `ExecuteSqlRequest.queryOptions`.
    
If the options are configured through multiple mechanisms then:    
1. Options set at an environment variable level will override options configured at the `Database` level.
1. Options set at a query-level will override options set at either the `Database` or environment variable level.
    
If no options are set, the optimizer statistics package will default to:    
1. The optimizer statistics package the database is pinned to in the backend.
1. If the database is not pinned to a specific statistics package, then the Cloud Spanner backend will use the "latest" version.

* fix: Report warning on `.github/workflows/ci.yaml`

Not all files in `.github/workflows` are managed, only `ci.yaml`.

Related false-positive: googleapis/repo-automation-bots#1952 (comment)

* fix: Report warning on `.github/workflows/ci.yaml`

Not all files in `.github/workflows` are managed, only `ci.yaml`.
Source-Link: googleapis/synthtool@2430f8d
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Co-authored-by: Owl Bot <gcf-owl-bot[bot]@users.noreply.github.com>

Co-authored-by: release-please[bot] <55107282+release-please[bot]@users.noreply.github.com>