fix(pushover): add optional_int function, return None for empty strings and update priority argument type (#5)

Reviewed-on: #5

.gitea/workflows/conventional_commit.yml

@@ -1,4 +1,4 @@
-name: Conventional Commit
+name: Validate PR Title
 on:
   pull_request:
     types:
@@ -8,7 +8,9 @@ on:
       - reopened
 
 jobs:
-  validate_pr_title:
-    uses: https://git.tainton.uk/actions/gha-workflows/.gitea/workflows/conventional-commit.yml@main
-    with:
-      commit_message: ${{ gitea.event.pull_request.title }}
+  validate:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: https://git.tainton.uk/actions/conventional-commits-check-action@v1.3.0
+        with:
+          commit-message: ${{ gitea.event.pull_request.title }}