Update GoogleTagManager module from ~1.0 to ~2.0.0

Problem/Motivation

GoogleTagManager 2.0.1 was released on: 25 Apr 2023 by: mglaman
https://www.drupal.org/project/google_tag/releases/2.0.1

• #3349373: Migration from google_tag 1.x for Google Tag Manager
• #3353449: Fix TypeError: array_values(): Argument #1 ($array) must be of type array, null given in array_values() (line 59 in GoogleAnalyticsMigrator

Proposed resolution

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

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
• ✅ 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-9.0.14, varbase_seo-9.0.9, varbase-10.0.0-alpha1, varbase_seo-10.0.0-alpha1

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 #3359655: Updated GoogleTagManager module from ~1.0 to ~2.0.0