Rename package-and-test to test-on-omnibus

.gitlab/CODEOWNERS

.gitlab/ci/build-images.gitlab-ci.yml

.gitlab/ci/frontend.gitlab-ci.yml

.gitlab/ci/notify.gitlab-ci.yml

.gitlab/ci/qa-common/variables.gitlab-ci.yml

.gitlab/ci/qa.gitlab-ci.yml

.gitlab/ci/rules.gitlab-ci.yml

.gitlab/ci/setup.gitlab-ci.yml

.gitlab/ci/test-on-omnibus-nightly/main.gitlab-ci.yml

.gitlab/ci/test-on-omnibus/main.gitlab-ci.yml

.gitlab/merge_request_templates/Security Fix.md

.gitlab/merge_request_templates/Stable Branch.md

.rubocop_todo/rspec/named_subject.yml

.rubocop_todo/style/inline_disable_annotation.yml

.rubocop_todo/style/redundant_return.yml

danger/qa_selector/Dangerfile

danger/stable_branch_patch/Dangerfile

doc/development/ai_features/duo_chat.md

doc/development/build_test_package.md

doc/development/fips_compliance.md