Update Config Import Single module from ~1.0 to ~2.0.0

Problem/Motivation

Config Import Single 2.0.0 was released on: 11 May 2023 by: nginex
https://www.drupal.org/project/config_import_single/releases/2.0.0

Proposed resolution

• Change drupal/config_import_single to ~2.0.0 in the composer.json file.

Remaining tasks

• ✅ File an issue
• ✅ Addition/Change/Update/Fix
• ✅ Merge request, Patch, or Commit
• ✅ Testing to ensure no regression
• ➖ Automated unit testing coverage
• ➖ Automated functional testing coverage
• ➖ UX/UI designer responsibilities
• ➖ Readability
• ➖ Accessibility
• ➖ Performance
• ➖ Security
• ➖ Documentation
• ✅ Code review by maintainers
• ✅ Full testing and approval
• ✅ Credit contributors
• ✅ Review with the product owner
• ✅ Release notes snippet
• ✅ Release webconfig-10.0.1

User interface changes

• N/A

API changes

• N/A

Data model changes

• N/A

Release notes snippet

• Issue #3410353: Updated Config Import Single module from ~1.0 to ~2.0.0