fixup! 👷(project) add git history and changelog checks

.github/workflows/chore.yml

@@ -13,15 +13,17 @@ jobs:
     steps:
       - uses: actions/checkout@v4
       - name: Check absence of fixup commits
-        run: git log --pretty=format:%s | grep 'fixup!'
+        run: |
+          ! git log --pretty=format:%s | grep 'fixup!'
 
   check-changelog:
     runs-on: ubuntu-latest
 
     steps:
       - uses: actions/checkout@v4
       - name: Check that the CHANGELOG has been modified in the current branch
-        run: git whatchanged --name-only --pretty="" origin..HEAD | grep CHANGELOG
+        run: |
+          git whatchanged --name-only --pretty="" origin/main..origin/${GITHUB_HEAD_REF} | grep CHANGELOG
 
   lint-changelog:
     runs-on: ubuntu-latest