* Simplify filter glob pattern for frontend tests

Take a look at the cheat sheet:
https://docs.github.com/en/actions/using-workflows/workflow-syntax-for-github-actions#filter-pattern-cheat-sheet

'**/docs/**' matches `docs/hello.md` and `dir/docs/my-file.txt`

* Ignore unrelated paths for `backend` workflow even in `master`

* Ignore unrelated paths for `drivers` workflow even in `master`

* Ignore clojure tests in E2E workflows

* Increase the ignored paths scope for `uberjar` workflow