Bump golangci/golangci-lint-action from 7.0.0 to 9.0.0

Bumps [golangci/golangci-lint-action](https://github.com/golangci/golangci-lint-action) from 7.0.0 to 9.0.0.
- [Release notes](https://github.com/golangci/golangci-lint-action/releases)
- [Commits](golangci/golangci-lint-action@1481404...0a35821)

---
updated-dependencies:
- dependency-name: golangci/golangci-lint-action
  dependency-version: 9.0.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

cleanup github actions config

- cancel previous workflow runs
- limit actions to changes on master branch
- update actions/cache config
- only upload code coverage status once

add go.mod file to identify as a module