set utc for touch

.github/workflows/maintain_cache.yml

@@ -31,7 +31,7 @@ jobs:
       - name: Build a local cache
         run: |
           git ls-files garak/ -z | xargs -0 -I{} -- git log -1 --format="%ai {}" {} | while read -r udate utime utz ufile ; do
-            touch -d "$udate $utime" $ufile
+            TZ=UTC touch -d "$udate $utime" $ufile
           done
           python -m garak --list_probes
       - name: Commit updated plugin cache if modified
@@ -53,7 +53,6 @@ jobs:
             if [ ${{ endsWith(github.ref_name, '/main')}} ]; then
               export MESSAGE="automatic $FILE_TO_COMMIT update"
               export SHA=$( git rev-parse $DESTINATION_BRANCH:$FILE_TO_COMMIT )
-              # export CONTENT=$( base64 -i $FILE_TO_COMMIT )
           cat <<- EOF > write_request.py
           #!python
           import json
@@ -70,7 +69,6 @@ jobs:
           }
           with open("request.json", "w", encoding="utf-8") as f:
               json.dump(request, f, indent=4)
-          print(json.dumps(request, indent=4))
           EOF
               chmod +x write_request.py
               python write_request.py