ci: revert latest tag for prover subsystem (#3295)

## What ❔
Revert latest tag for docker image on prover subsystem

## Why ❔
It was present

## Checklist

<!-- Check your PR fulfills the following items. -->
<!-- For draft PRs check the boxes as you complete them. -->

- [x] PR title corresponds to the body of PR (we generate changelog
entries from PRs).
- [x] Tests for the changes have been added / updated.
- [x] Documentation comments have been added / updated.
- [x] Code has been formatted via `zkstack dev fmt` and `zkstack dev
lint`.

.github/workflows/new-build-prover-template.yml

@@ -168,6 +168,8 @@ jobs:
             matterlabs/${{ matrix.components }}:2.0-${{ env.PROTOCOL_VERSION }}-${{ env.IMAGE_TAG_SHA_TS }}
             us-docker.pkg.dev/matterlabs-infra/matterlabs-docker/${{ matrix.components }}:2.0-${{ env.IMAGE_TAG_SHA_TS }}
             matterlabs/${{ matrix.components }}:2.0-${{ env.IMAGE_TAG_SHA_TS }}
+            us-docker.pkg.dev/matterlabs-infra/matterlabs-docker/${{ matrix.components }}:latest
+            matterlabs/${{ matrix.components }}:latest
 
       - name: Push docker image
         if: ${{ inputs.action == 'push' }}
@@ -176,6 +178,8 @@ jobs:
           docker push matterlabs/${{ matrix.components }}:2.0-${{ env.PROTOCOL_VERSION }}-${{ env.IMAGE_TAG_SHA_TS }}
           docker push us-docker.pkg.dev/matterlabs-infra/matterlabs-docker/${{ matrix.components }}:2.0-${{ env.IMAGE_TAG_SHA_TS }}
           docker push matterlabs/${{ matrix.components }}:2.0-${{ env.IMAGE_TAG_SHA_TS }}
+          docker push us-docker.pkg.dev/matterlabs-infra/matterlabs-docker/${{ matrix.components }}:latest
+          docker push matterlabs/${{ matrix.components }}:latest
 
   copy-images:
     name: Copy images between docker registries

.github/workflows/new-build-witness-generator-template.yml

@@ -140,3 +140,5 @@ jobs:
             matterlabs/${{ matrix.components }}:2.0-${{ env.PROTOCOL_VERSION }}-${{ env.IMAGE_TAG_SHA_TS }}
             us-docker.pkg.dev/matterlabs-infra/matterlabs-docker/${{ matrix.components }}:2.0-${{ env.IMAGE_TAG_SHA_TS }}
             matterlabs/${{ matrix.components }}:2.0-${{ env.IMAGE_TAG_SHA_TS }}
+            us-docker.pkg.dev/matterlabs-infra/matterlabs-docker/${{ matrix.components }}:latest
+            matterlabs/${{ matrix.components }}:latest