actions: Run subject-line-length check even if the previous checks failed

So that we can see as many errors as possible at once.

Signed-off-by: Tim Zhang <tim@hyper.sh>

.github/workflows/commit-message-check.yaml

@@ -35,6 +35,7 @@ jobs:
         commits: ${{ steps.get-pr-commits.outputs.commits }}
 
     - name: Check Subject Line Length
+      if: ${{ success() || failure() }}
       uses: tim-actions/commit-message-checker-with-regex@v0.3.1
       with:
         commits: ${{ steps.get-pr-commits.outputs.commits }}