Rename Framework tab to Projects

What does this MR do and why?

Rename the Compliance Framework tab to Projects. This in preparation for a new Framework tab to include more functionality.

Adds the FF compliance_framework_report_ui to complete this epics work

Screenshots or screen recordings

Screenshots are required for UI changes, and strongly recommended for all other merge requests.

Before	After

How to set up and validate locally

1. Ensure that a top level group has a framework
   1. https://docs.gitlab.com/ee/user/group/compliance_frameworks.html
2. Ensure there are multiple projects in above group and at least one has the compliance framework set
3. Browse to a top level Group -> Security & Compliance -> Compliance center
   1. https://docs.gitlab.com/ee/user/compliance/compliance_center/index.html#compliance-frameworks-report
4. Check that the final tab is 'Frameworks' and the report shows
5. Enable the feature flag

   Feature.enable(:compliance_framework_report_ui)

6. Check that the final tab is now called 'Projects' and still shows the report

MR acceptance checklist

This checklist encourages us to confirm any changes have been analyzed to reduce risks in quality, performance, reliability, security, and maintainability.

• I have evaluated the MR acceptance checklist for this MR.

Related to #422963 (closed)