Post-release chores after having released Solidus v4.4.0

[github-actions[bot]]

This code has been automatically generated by our 'Prepare post-release' GitHub action.

Make sure that:

• [x] The new release has been published, along with its tag. See https://github.com/solidusio/solidus/releases/tag/v4.4.0
• [x] The corresponding patch branch exists. See https://github.com/solidusio/solidus/tree/v4.4
• [x] The corresponding backport-v4.4 label exists. See https://github.com/solidusio/solidus/labels

[codecov[bot]]

Codecov Report

Attention: Patch coverage is 0% with 1 line in your changes missing coverage. Please review.

Project coverage is 89.54%. Comparing base (7f77d39) to head (7f53e37). Report is 2 commits behind head on main.

Files with missing lines	Patch %	Lines
.../solidus/install/app_templates/frontend/starter.rb	0.00%	1 Missing :warning:

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #5912 +/- ## ======================================= Coverage 89.54% 89.54% ======================================= Files 783 783 Lines 17994 17994 ======================================= Hits 16113 16113 Misses 1881 1881 ```

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