sync_approved_pr: Fix git safe directory issue

- while initialising git repo in docker container

github_pr_to_internal_pr/Dockerfile

@@ -12,6 +12,18 @@ RUN apt-get update && \
     pip3 install --upgrade pip && \
     pip3 install -r /tmp/requirements.txt
 
+# Changing the ownership of the repository after checking out
+# Error: fatal: detected dubious ownership in repository at '/github/workspace'
+#      To add an exception for this directory, call:
+#          git config --global --add safe.directory /github/workspace
+# Reason: Recent versions of git require the .git folder to be owned
+# by the same user (see https://github.blog/2022-04-12-git-security-vulnerability-announced/).
+# Related
+# - https://github.com/actions/runner/issues/2033
+# - https://github.com/actions/checkout/issues/1048
+# - https://github.com/actions/runner-images/issues/6775
+RUN chown -R $(id -u):$(id -g) $PWD
+
 COPY github_pr_to_internal_pr.py /
 
 ENTRYPOINT ["/usr/bin/python3", "/github_pr_to_internal_pr.py"]