build(deps): bump helm/chart-testing-action from 2.3.0 to 2.3.1
build(deps): bump helm/chart-testing-action from 2.3.0 to 2.3.1

Bumps [helm/chart-testing-action](https://github.com/helm/chart-testing-action) from 2.3.0 to 2.3.1.
- [Release notes](https://github.com/helm/chart-testing-action/releases)
- [Commits](https://github.com/helm/chart-testing-action/compare/v2.3.0...v2.3.1)

---
updated-dependencies:
- dependency-name: helm/chart-testing-action
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@github.com>
banzaicloud/bank-vaults,banzaicloud/bank-vaults