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This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| [golang.org/x/tools](https://togithub.com/golang/tools) | require | patch | `v0.1.3` -> `v0.1.4` |
| [google.golang.org/protobuf](https://togithub.com/protocolbuffers/protobuf-go) | require | minor | `v1.26.0` -> `v1.27.1` |

---

### Release Notes

<details>
<summary>golang/tools</summary>

### [`v0.1.4`](https://togithub.com/golang/tools/compare/v0.1.3...v0.1.4)

[Compare Source](https://togithub.com/golang/tools/compare/v0.1.3...v0.1.4)

</details>

<details>
<summary>protocolbuffers/protobuf-go</summary>

### [`v1.27.1`](https://togithub.com/protocolbuffers/protobuf-go/releases/v1.27.1)

[Compare Source](https://togithub.com/protocolbuffers/protobuf-go/compare/v1.27.0...v1.27.1)

Notable changes since [v1.27.0](https://togithub.com/protocolbuffers/protobuf-go/releases/tag/v1.27.0):

-   [CL/331149](https://golang.org/cl/331149): cmd/protoc-gen-go: fix generation of enum defaults

### [`v1.27.0`](https://togithub.com/protocolbuffers/protobuf-go/releases/v1.27.0)

[Compare Source](https://togithub.com/protocolbuffers/protobuf-go/compare/v1.26.0...v1.27.0)

-   [Overview](#v1.27-overview)
-   [Notable changes](#v1.27-notable-changes)
    -   [Reflectively ranging over a message](#v1.27-reflection-ranging)
-   [Upcoming breakage changes](#v1.27-breaking-changes)

#### Overview <a name="v1.27-overview"></a>

The release provides new functionality for iterating through a message using protobuf reflection. There are some minor changes to the code generator.

#### Notable changes <a name="v1.27-notable-changes"></a>

**New features:**

-   [CL/309669](https://golang.org/cl/309669): testing/protopack: add Message.UnmarshalAbductive

**Bug fixes:**

-   [CL/317430](https://golang.org/cl/317430): encoding/prototext: fix skipping of unknown fields
-   [CL/321529](https://golang.org/cl/321529): internal/impl: support typed nil source for Merge of aberrant messages

**Generator changes**

-   [CL/305574](https://golang.org/cl/305574): cmd/protoc-gen-go: remove generation of the ExtensionRangeArray method
-   [CL/319649](https://golang.org/cl/319649): cmd/protoc-gen-go: avoid referencing remote enum values by name
-   [CL/316949](https://golang.org/cl/316949): compiler/protogen: relax rules for valid import paths
-   [CL/306209](https://golang.org/cl/306209): cmd/protoc-gen-go: add protoc suffix

##### Reflectively ranging over a message <a name="v1.27-reflection-ranging"></a>

-   [CL/236540](https://golang.org/cl/236540): reflect: add protopath and protorange packages

The new [`reflect/protorange`](https://pkg.go.dev/google.golang.org/protobuf/reflect/protorange) package supports recursively ranging through all populated fields of a message. There are many use cases for such a feature. See [the examples for inspiration](https://pkg.go.dev/google.golang.org/protobuf/reflect/protorange#pkg-examples).

#### Upcoming breakage changes <a name="v1.27-breaking-changes"></a>

This release removes generation of the `ExtensionRangeArray` method, as originally announced since the [v1.20.0 release on March 2nd, 2020](https://togithub.com/protocolbuffers/protobuf-go/releases/tag/v1.20.0#v1.20-breaking-changes). Our analysis of the [entire public module proxy](https://proxy.golang.org/) found no static usages of this method. This method is pseudo-internal to the implementation and we expect removal of it to have no material impact. If something is broken by this change, please file an issue and we can consider re-generating this method in a patch release.

There are no *new* upcoming breaking changes to announce in this release.

</details>

---

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