Search and replace license status BLACKLISTED

* Replace with DENIED

Search and Replace license status APPROVED

* Replace with ALLOWED

Search and replace approveLicense with allowLicense

Search and replace blacklistLicense with denyLicense

Update license management table license status text

* Update license policy dropdown to have 'allow' and 'deny'

Run prettier and fix unit tests

* Run prettier and update unit test

Apply suggestion fixing spec typo
ee/spec/frontend/license_management/store/utils_spec.js

Add changelog entry