ci: only run latest tag job on push / release (#586)

* ci: only run latest tag job on merge

* ci: update job conditional

.github/workflows/build-and-release-runners.yml

@@ -76,6 +76,7 @@ jobs:
             ${{ env.DOCKERHUB_USERNAME }}/${{ matrix.name }}:v${{ env.RUNNER_VERSION }}-ubuntu-${{ matrix.os-version }}-${{ steps.vars.outputs.sha_short }}
 
   latest-tags:
+    if: ${{ github.event_name == 'push' || github.event_name == 'release' }}
     runs-on: ubuntu-latest
     name: Build ${{ matrix.name }}-latest
     strategy:
@@ -104,7 +105,6 @@ jobs:
 
       - name: Login to DockerHub
         uses: docker/login-action@v1
-        if: ${{ github.event_name == 'push' || github.event_name == 'release' }}
         with:
           username: ${{ secrets.DOCKER_USER }}
           password: ${{ secrets.DOCKER_ACCESS_TOKEN }}
@@ -115,7 +115,7 @@ jobs:
           context: ./runner
           file: ./runner/${{ matrix.dockerfile }}
           platforms: linux/amd64,linux/arm64
-          push: ${{ github.event_name != 'pull_request' }}
+          push: true
           build-args: |
             RUNNER_VERSION=${{ env.RUNNER_VERSION }}
             DOCKER_VERSION=${{ env.DOCKER_VERSION }}