ci: cleanup static build workflows

.github/workflows/docker.yaml

@@ -24,7 +24,6 @@ on:
     - cron:  '0 4 * * *'
 env:
   IMAGE_NAME: ${{ (github.event_name == 'schedule' || (github.event_name == 'workflow_dispatch' && inputs.version) || startsWith(github.ref, 'refs/tags/')) && 'dunglas/frankenphp' || 'dunglas/frankenphp-dev' }}
-  LATEST: ${{ (github.event_name == 'schedule' || (github.event_name == 'workflow_dispatch' && inputs.version) || startsWith(github.ref, 'refs/tags/')) && '0' || '1' }}
 jobs:
   prepare:
     runs-on: ubuntu-latest
@@ -81,8 +80,6 @@ jobs:
         name: Set up Docker Buildx
         if: ${{ !fromJson(steps.check.outputs.skip) }}
         uses: docker/setup-buildx-action@v3
-        with:
-          version: latest
       -
         name: Create variants matrix
         if: ${{ !fromJson(steps.check.outputs.skip) }}
@@ -143,7 +140,6 @@ jobs:
         uses: docker/setup-buildx-action@v3
         with:
           platforms: ${{ matrix.platform }}
-          version: latest
       -
         name: Login to DockerHub
         if: fromJson(needs.prepare.outputs.push)