Receiving unmarshal rdjson error in Github action CI

[taltcher]

Run reviewdog/action-stylelint@v1
Run $GITHUB_ACTION_PATH/script.sh
 Installing reviewdog 🐶 ... https://github.com/reviewdog/reviewdog
16.2.1
stylelint version: 16.2.1
 Running stylelint with reviewdog 🐶 ...
  reviewdog: parse error: failed to unmarshal rdjson (DiagnosticResult): proto: syntax error (line 1:3946): invalid escape code "\\." in string
Error: Process completed with exit code 1.

[jjlankinen]

Similar thing happens with 16.8.2 stylelint version:

Run reviewdog/action-stylelint@v1
Run $GITHUB_ACTION_PATH/script.sh
 Installing reviewdog 🐶 ... https://github.com/reviewdog/reviewdog
16.8.2
stylelint version: 16.8.2
reviewdog: parse error: failed to unmarshal rdjson (DiagnosticResult): proto: syntax error (line 1:1): invalid value (
 Running stylelint with reviewdog 🐶 ...
Error: Process completed with exit code 1.

Is this project still maintained btw?