export the content

.github/workflows/maintain_cache.yml

@@ -51,6 +51,7 @@ jobs:
             set -e
             echo "Plugin cache updates exist"
             if [ ${{ endsWith(github.ref_name, '/main')}} ]; then
+              export CONTENT=$( base64 -i $FILE_TO_COMMIT )
           cat <<- EOF > write_request.py
           #!python
           import json