fix: evaluations fail when metadata key is missing

fix: support CRDs without metadata.name

* New argo rules

* Add tests

* test: improve error message for tests with invalid default rule schema
Co-authored-by: Roy Hadad <roy@datree.io>

feat: use simple output for drone ci

feat: add nsa hardening rules

Co-authored-by: Tzlil Swimmer <tzlilswimmer@Tzlils-MacBook-Pro.local>

Co-authored-by: Tzlil Swimmer <tzlilswimmer@Tzlils-MacBook-Pro.local>
Co-authored-by: Dima Brusilovsky <dimabru@gmail.com>

Merge pull request #525 from datreeio/DAT-3907-fix-publishing-custom-rules-using-jsonSchema-fails-in-datree-test-

fix: publishing custom rules using jsonSchema fails in datree test

* refactor: move argument logic to `Args` block

* add `Args:` block to handle stdin input scenario

* move stdin path check logic to function

* fix error return value is not checked

Merge pull request #508 from datreeio/running_test_on_non_k8s_yaml_files_with_--only-k8s-files_raises_an_error_#430

fix: add check in wereViolationsFound to fix error with --only-k8s-fi…

refactor: change oneOf to anyOf in rule 34 for better accuracy

refactor: use aliases in defaultRules.yaml to avoid code duplication