Fix sg ops update images and use as part of the release process

[daxmc99]

We currently use tools/update-docker-images.sh as part of the release.

https://github.com/sourcegraph/sourcegraph/blob/main/dev/release/src/release.ts#L572

https://sourcegraph.com/search?q=context%3Aglobal+repo%3A%5Egithub%5C.com%2Fsourcegraph%2F+file%3Aupdate-docker-tags.sh&patternType=standard&sm=1&groupBy=repo

We could replace these old scripts with sg ops update-images once we fix the formatting issues it has today.

sourcegraph/deploy-sourcegraph#4207

Problem:
We sometimes do not update images as part of the release (ie blobstore in the v4.2.1 release). So far, this hasn't been an issue, but it could become one eventually.

[bobheadxi]

once we fix the formatting issues it has today.

The current approach parses k8s manifests, we will likely have to rewrite it with a regexp approach like https://github.com/sourcegraph/update-docker-tags to avoid this

[bobheadxi]

Related: https://github.com/sourcegraph/sourcegraph/issues/38346