Update Stage File Proxy module from ~2 to ~3.1.0

Problem/Motivation

Stage File Proxy 3.1.0 was released on: 21 Jul 2024 by: smustgrave
https://www.drupal.org/project/stage_file_proxy/releases/3.1.0

Support for ~2.0 was dropped in favour of the 3.1.x branch with Drupal ~10.3.0

Proposed resolution

• Change drupal/stage_file_proxy to ~2 || ~3.1.0 in the composer.json file, to allow for a smoother update 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-10.0.1, varbase_core-10.0.29, varbase-10.0.2, varbase_core-9.1.39

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 #3465162: Updated Stage File Proxy module from ~2 to ~3.1.0