Pin release-drafter/release-drafter to commit hash of v6.1.0

Author: fvanderpost

.github/workflows/release-drafter.yml

@@ -20,7 +20,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Draft release
-        uses: release-drafter/release-drafter@v6
+        uses: release-drafter/release-drafter@b1476f6e6eb133afa41ed8589daba6dc69b4d3f5  # 6.1.0
         with:
           config-name: release-drafter/config.yml
           disable-autolabeler: true