[CI] Minor fixes in operation metris container build

1. Do not restrict pull request branch to allow hacking on in stacked PRs.
2. Remove some extra new lines at the bottom.
3. Rename the push job to better reflect the current context rather than where
  the job was copied from.

Author: boomanaiden154

.github/workflows/build-operations-metrics-container.yml

@@ -11,8 +11,6 @@ on:
       - .github/workflows/build-operations-metrics-container.yml
       - 'llvm-ops-metrics/ops-container/**'
   pull_request:
-    branches:
-      - main
     paths:
       - .github/workflows/build-operations-metrics-container.yml
       - 'llvm-ops-metrics/ops-container/**'
@@ -55,7 +53,7 @@ jobs:
           path: ${{ steps.vars.outputs.container-filename }}
           retention-days: 14
 
-  push-metrics-container:
+  push-operations-metrics-container:
     if: github.event_name == 'push'
     needs:
       - build-operations-metrics-container
@@ -76,4 +74,3 @@ jobs:
           podman login -u ${{ github.actor }} -p $GITHUB_TOKEN ghcr.io
           podman push ${{ needs.build-operations-metrics-container.outputs.container-name-tag }}
           podman push ${{ needs.build-operations-metrics-container.outputs.container-name }}:latest
-