Fix typo (#539)

Author: sbernauer

.github/workflows/pr_pre-commit.yml

@@ -18,7 +18,7 @@ jobs:
         with:
           persist-credentials: false
           fetch-depth: 0
-      - uses: stackabletech/actions/run-pre-commit@@4483641a7e24057bd2ba51cb4c3f2f0010ad21b7 # v0.8.4
+      - uses: stackabletech/actions/run-pre-commit@4483641a7e24057bd2ba51cb4c3f2f0010ad21b7 # v0.8.4
         with:
           python-version: ${{ env.PYTHON_VERSION }}
           hadolint: ${{ env.HADOLINT_VERSION }}