Update Field Group module from ~3 to ~4 in Varbase Core

Problem/Motivation

Field Group 4.0.0 stable was released on: 23 Apr 2025 by: grevil
https://www.drupal.org/project/field_group/releases/4.0.0

Proposed resolution

• Change drupal/field_group to ~4 in the composer.json file, to support a smoother upgrade process.

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-9.1.10, varbase_core-9.1.55, varbase-10.0.6, varbase_core-10.0.49

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 #3532567: Updated Field Group module from ~3 to ~4 in Varbase Core