ci(dependabot): group docker action updates

[jpnurmi]

Update the following closely related Docker actions in a single PR:

• docker/login-action
• docker/setup-qemu-action
• docker/setup-buildx-action
• docker/build-push-action

See also:

• build(deps): bump docker/build-push-action from 7.3.0 to 7.4.0 #2121
• build(deps): bump docker/setup-buildx-action from 4.3.0 to 4.4.1 #2122
• build(deps): bump docker/setup-qemu-action from 4.3.0 to 4.4.0 #2124

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 75.42%. Comparing base (26b47d9) to head (92e8aa3).

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #2126      +/-   ##
==========================================
+ Coverage   75.30%   75.42%   +0.12%     
==========================================
  Files         103      103              
  Lines       28026    28026              
  Branches     5114     5114              
==========================================
+ Hits        21105    21139      +34     
+ Misses       5591     5552      -39     
- Partials     1330     1335       +5     

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