docs: add missing dots in action/trigger descriptions

packages/docs/pages/apps/github/triggers.md

@@ -2,13 +2,13 @@
 favicon: /favicons/github.svg
 items:
   - name: New issues
-    desc: Triggers when a new issue is created
+    desc: Triggers when a new issue is created.
   - name: New pull requests
-    desc: Triggers when a new pull request is created
+    desc: Triggers when a new pull request is created.
   - name: New stargazers
-    desc: Triggers when a user stars a repository
+    desc: Triggers when a user stars a repository.
   - name: New watchers
-    desc: Triggers when a user watches a repository
+    desc: Triggers when a user watches a repository.
 ---
 
 <script setup>