ci: add issue bot for PRs (#7530)

Author: mtrezza

.github/workflows/issue-bot.yml

@@ -1,5 +1,9 @@
 name: Issue Bot
-on: [issues]
+on:
+  issues:
+    types: [opened, reopened, edited]
+  pull_request:
+    types: [opened, reopened, edited]
 jobs:
   issue-bot:
     runs-on: ubuntu-latest

CHANGELOG.md

@@ -146,6 +146,7 @@ ___
 - Add ability to pass context of an object via a header, X-Parse-Cloud-Context, for Cloud Code triggers. The header addition allows client SDK's to add context without injecting _context in the body of JSON objects (Corey Baker) [#7437](https://github.com/parse-community/parse-server/pull/7437)
 - Add CI check to add changelog entry (Manuel Trezza) [#7512](https://github.com/parse-community/parse-server/pull/7512)
 - Refactor: uniform issue templates across repos (Manuel Trezza) [#7528](https://github.com/parse-community/parse-server/pull/7528)
+- ci: add Issue Bot for PRs (Manuel Trezza) [#7530](https://github.com/parse-community/parse-server/pull/7530)
 
 ## 4.10.2
 [Full Changelog](https://github.com/parse-community/parse-server/compare/4.10.1...4.10.2)