Add link to branch rules from branches page

What does this MR do and why?

Adds possibility to navigate to a branch rules sections of repository settings from a branches page

Screenshots or screen recordings

Before or as developer	After as maintainer

How to set up and validate locally

1. Enable branch rules FF echo "Feature.enable(:branch_rules)" | gdk rails c
2. Navigate as a maintainer to Project > Branches
3. Observe View brach rules button and alert
4. Try to dismiss alert and make sure it won't appear on new page load
5. Make sure that with the developer access you don't have this options

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 #358209