Chart releaser action sometimes fails

[pksilen]

My chart releaser action is sometimes (randomly) failing with the following error: I use chart-releaser-action v.1.2.1

Looking up latest tag...
Discovering changed charts since 'v1.1.4'...
Installing chart-releaser...
Adding cr directory to PATH...
Packaging chart 'helm/backk-example-microservice'...
Successfully packaged chart in /home/runner/work/backk-example-microservice/backk-example-microservice/helm/backk-example-microservice and saved it to: .cr-release-packages/backk-example-microservice-1.1.4.tgz
Releasing charts...
Updating charts repo index...
Using existing index at .cr-index/index.yaml
Found backk-example-microservice-1.1.4.tgz
Extracting chart metadata from .cr-release-packages/backk-example-microservice-1.1.4.tgz
Calculating Hash for .cr-release-packages/backk-example-microservice-1.1.4.tgz
Updating index .cr-index/index.yaml
Preparing worktree (detached HEAD d16199e)
HEAD is now at d16199e Update index.yaml
error: insufficient permission for adding an object to repository database /home/runner/work/backk-example-microservice/backk-example-microservice/.git/objects
error: index.yaml: failed to insert into database
error: unable to index file 'index.yaml'
fatal: updating files failed
Error: exit status 128