CI failure: MANIFEST_SIZE_LIMIT: payload size limit exceeded
CI pipelines sometimes fail with:
> MANIFEST_SIZE_LIMIT: payload size limit exceeded; errors verifying manifest: manifest payload size of 259189 exceeds limit of 256000
## Root cause
For some images the cache is rarely invalidated, so the manifest is re-signed many times, causing the manifest to exceed the allowed size.
## Workaround
### In MR pipelines
* trigger a new pipeline with `FORCE_IMAGE_BUILDS=true`
### In release pipelines
* set `FORCE_IMAGE_BUILDS=true`
* rebuilt the affected images
* rerun `sync-images-artifact-registry` and then `sync-images-gitlab-com`
## Additional Context
* Slack (good for 90 days): https://gitlab.slack.com/archives/C1FCTU4BE/p1729686918834719
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