added action to ensure changelog is changed (#6)

.github/workflows/dismiss-reviews.yml

@@ -0,0 +1,17 @@
+name: Review-Trigger
+
+on:
+  pull_request_target:
+
+jobs:
+  dismiss-reviews:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Dismiss Approvals
+        env:
+          GH_TOKEN: ${{ github.token }}
+        run:  |
+          gh api repos/${{ github.repository }}/pulls/${{ github.event.number }}/reviews \
+          --jq '.[] | select(.state == "APPROVED") | .id' \
+          | xargs -I '{}' gh api --method=PUT -f message="Dismissed due to PR edit." \
+          repos/${{ github.repository }}/pulls/${{ github.event.number }}/reviews/'{}'/dismissals

.github/workflows/modify-changelog.yml

@@ -0,0 +1,20 @@
+name: Modify Changelog
+
+on:
+  pull_request_target:
+
+jobs:
+
+  test:
+    runs-on: ubuntu-latest
+    env:
+      GITHUB_TOKEN: ${{ github.token }}
+    steps:
+      - name: Get Changed Files
+        id: changed
+        uses: foodee/pr-includes-file-change@master
+        with:
+          paths: ^CHANGELOG.md
+      - name: Fail
+        if: steps.changed.outputs.matched != 'true' && !contains(github.event.pull_request.body, '[x] Does not require a CHANGELOG entry')
+        run: echo "::error::CHANGELOG.md has not been modified. Either modify the file or check the checkbox in the body" && exit 1

.github/workflows/up-to-date.yml

@@ -16,6 +16,7 @@ jobs:
           app_id: ${{ secrets.APP_ID }}
           private_key: ${{ secrets.PRIVATE_KEY }}
       - name: Update all the PRs
-        uses: paritytech/up-to-date-action@action
+        uses: paritytech/up-to-date-action@main
         with:
           GITHUB_TOKEN: ${{ steps.generate_token.outputs.token }}
+          REQUIRE_AUTO_MERGE: false

CHANGELOG.md

@@ -0,0 +1 @@
+This is the first change