Add config action import for the Gin social auth login block in the default Varbase Auth recipe

Problem/Motivation

After Drupal ~11.2.0 issue
Having the Gin block config in optional is not working right away, as Gin could be installed or not installed yet.
Order of config install, or config optional import

Proposed resolution

• Force to import the config in the default Varbase Auth recipe.

Remaining tasks

• ✅ File an issue about this project
• ✅ Addition/Change/Update/Fix to this project
• ✅ Testing to ensure no regression
• ➖ Automated unit/functional testing coverage
• ➖ Developer Documentation support on feature change/addition
• ➖ User Guide Documentation support on feature change/addition
• ➖ UX/UI designer responsibilities
• ➖ Accessibility and Readability
• ✅ Code review from 1 Varbase core team member
• ✅ Full testing and approval
• ✅ Credit contributors
• ✅ Review with the product owner
• ✅ Update Release Notes and Update Helper on new feature change/addition
• ✅ Release varbase-10.1.0-alpha2, varbase_auth-10.1.0-alpha4

Varbase update type

• ✅ No Update
• ➖ Optional Update
• ➖ Forced Update
• ➖ Forced Update if Unchanged

User interface changes

• N/A

API changes

• N/A

Data model changes

• N/A

Release notes snippet

• Issue #3534994: Added config action import for the Gin social auth login block in the default Varbase Auth recipe