Merge pull request #1231 from o1-labs/dw/add-changelog-ci-check

CI: add a check for checklog changes on PR

Author: dannywillems

.github/workflows/changelog.yaml

@@ -0,0 +1,15 @@
+name: CHANGELOG related checks per pull requests
+on:
+  pull_request:
+    types: [assigned, opened, synchronize, reopened, labeled, unlabeled]
+    branches:
+      - develop
+
+jobs:
+  check-changelog:
+    name: Check changelog action
+    runs-on: ubuntu-latest
+    steps:
+      - uses: tarides/changelog-check-action@v2
+        with:
+          changelog: CHANGELOG.md