[FIXUP]

Author: HannesWell

.github/workflows/checkAcknowledgements.yml

@@ -13,6 +13,8 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
+      with:
+        fetch-depth: 0
     - name: Determine changed files
       id: changed-files
       run: |