chore: Enforce conventional commit PR title

.github/dependabot.yml

@@ -5,9 +5,11 @@ updates:
     schedule:
       interval: "daily"
     open-pull-requests-limit: 9999
-
+    commit-message:
+      prefix: "deps"
   - package-ecosystem: "github-actions"
     directory: "/"
     schedule:
-      # Check for updates to GitHub Actions every weekday
       interval: "daily"
+    commit-message:
+      prefix: "deps"

.github/mergify.yml

@@ -23,6 +23,24 @@ pull_request_rules:
     actions:
       queue:
 
+  - name: Conventional Commit PR title
+    conditions:
+      - base=master
+    actions:
+      post_check:
+        success_conditions:
+          - "title~=^(fix|feat|docs|refactor|chore|deps)(?:\\(.+\\))?:"
+        title: |
+          {% if check_succeed %}
+          Title follows Conventional Commit
+          {% else %}
+          Title does not follow Conventional Commit
+          {% endif %}
+        summary: |
+          {% if not check_succeed %}
+          Your pull request title must follow [Conventional Commit](https://www.conventionalcommits.org/en/v1.0.0/).
+          {% endif %}
+
 queue_rules:
   - name: default
     conditions: []