ci(): changelog action + merge directive (fabricjs#8346)

.gitattributes

@@ -0,0 +1,2 @@
+# https://stackoverflow.com/a/13264117/9068029
+CHANGELOG.md merge=union

.github/workflows/build.yml

@@ -108,15 +108,15 @@ jobs:
   changelog:
     if: ${{ always() }}
     runs-on: ubuntu-latest
+    env:
+      file: CHANGELOG.md
     steps:
-      - uses: actions/checkout@v2
-      - uses: actions/setup-node@v1
-        with:
-          node-version: 16.x
-      - name: Changelog check
-        uses: Zomzog/changelog-checker@v1.2.0
+      - uses: actions/checkout@v3
         with:
-          fileName: CHANGELOG.md
-          checkNotification: Simple # default `Detailed`
-        env:
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          fetch-depth: 0
+      - name: Checking ${{ env.file }}
+        run: |
+          if [[ $(git diff --name-only origin/master HEAD -- ${{ env.file }} | grep '^${{ env.file }}$' -c) -eq 0 ]]; then
+            echo "Expected '${{ env.file }}' to be modified"
+            exit 1
+          fi

CHANGELOG.md

@@ -2,6 +2,7 @@
 
 ## [next]
 
+- ci(): remove buggy changelog action in favor of `git diff` bash script + direct git how to merge `CHANGELOG.md` [#8309](https://github.com/fabricjs/fabric.js/pull/8346)
 - fix(): skewing controls accuracy + successive interactions [#8380](https://github.com/fabricjs/fabric.js/pull/8380)
 - chore(TS): Convert Geometry and Origin to classes/e6/ts [#8390](https://github.com/fabricjs/fabric.js/pull/8390)
 - ci(): build stats report [#8395](https://github.com/fabricjs/fabric.js/pull/8395)