the executor image and docker mirror image should now follow the
following naming convention:

Image family:
`sourcegraph-executors-[nightly|internal|'']-<MAJOR>-<MINOR>`
Image name:
`sourcegraph-executor-[nightly|internal|'']-<MAJOR>-<MINOR>-<BUILD_NUMBER>`

example:
Image family: `sourcegraph-executors-5-4`
Image name: `sourcegraph-executor-5-4-277666`

## What happens during releases and _not_ releases?
#### Nightly
**`nightly` suffix**
Image family: `sourcegraph-executors-nightly-<MAJOR>-<MINOR>`
Image name:
`sourcegraph-executor-nightly-<MAJOR>-<MINOR>-<BUILD_NUMBER>`
#### Internal
**`internal` suffix**
Image family: `sourcegraph-executors-internal-<MAJOR>-<MINOR>`
Image name:
`sourcegraph-executor-internal-<MAJOR>-<MINOR>-<BUILD_NUMBER>`
#### Public / Promote to public

** No suffix **

Image family: `sourcegraph-executors-<MAJOR>-<MINOR>`
Image name: `sourcegraph-executor-<MAJOR>-<MINOR>-<BUILD_NUMBER>`

>  [!IMPORTANT]
> Should we keep the imagine name stable at
`sourcegraph-executor-<MAJOR>-<MINOR>-<BUILD_NUMBER>`
> and only change the family name?
>
> **Why?**
>
> The Image family dictates the collection of images and that changes
each major minor and or release phase so there is really no use in
changing the image name too, except at a glance you can see from the
name what image family it belongs to?
## Test plan

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## Changelog

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(cherry picked from commit 8bb0ab5)