Move neon-image-depot to a larger runner (#3860)

## Describe your changes
https://neondb.slack.com/archives/C039YKBRZB4/p1679413279637059
## Issue ticket number and link

## Checklist before requesting a review
- [ ] I have performed a self-review of my code.
- [ ] If it is a core feature, I have added thorough tests.
- [ ] Do we need to implement analytics? if so did you add the relevant
metrics to the dashboard?
- [ ] If this PR requires public announcement, mark it with
/release-notes label and add several sentences in this section.

.github/workflows/build_and_test.yml

@@ -552,7 +552,7 @@ jobs:
   neon-image-depot:
     # For testing this will run side-by-side for a few merges.
     # This action is not really optimized yet, but gets the job done
-    runs-on: [ self-hosted, gen3, small ]
+    runs-on: [ self-hosted, gen3, large ]
     needs: [ tag ]
     container: 369495373322.dkr.ecr.eu-central-1.amazonaws.com/base:pinned
     permissions: