Require Dart 3.8, bump deps, regenerate code, update actions

[kevmoo]

No description provided.

[github-actions]

Package publishing

Package	Version	Status	Publish tag (post-merge)
package:mono_repo	6.6.4	ready to publish	mono_repo-v6.6.4

Documentation at https://github.com/dart-lang/ecosystem/wiki/Publishing-automation.

[codecov-commenter]

Codecov Report

❌ Patch coverage is 83.60000% with 41 lines in your changes missing coverage. Please review.
✅ Project coverage is 84.38%. Comparing base (b825610) to head (c2297d8).

Files with missing lines	Patch %	Lines
mono_repo/lib/src/commands/presubmit.dart	0.00%	11 Missing ⚠️
mono_repo/lib/src/runner.dart	0.00%	9 Missing ⚠️
mono_repo/lib/src/commands/list_command.dart	0.00%	7 Missing ⚠️
mono_repo/lib/src/commands/readme_command.dart	0.00%	4 Missing ⚠️
mono_repo/lib/src/utilities.dart	50.00%	3 Missing ⚠️
mono_repo/lib/src/commands/dart.dart	50.00%	2 Missing ⚠️
mono_repo/lib/src/commands/mono_repo_command.dart	0.00%	2 Missing ⚠️
mono_repo/lib/src/ci_shared.dart	93.75%	1 Missing ⚠️
mono_repo/lib/src/commands/ci_script/generate.dart	75.00%	1 Missing ⚠️
mono_repo/lib/src/package_config.dart	90.00%	1 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff             @@
##           master     #514       +/-   ##
===========================================
+ Coverage    7.36%   84.38%   +77.01%     
===========================================
  Files          35       35               
  Lines        1520     1492       -28     
===========================================
+ Hits          112     1259     +1147     
+ Misses       1408      233     -1175     

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[coveralls]

Pull Request Test Coverage Report for Build 18480472902

Details

• 209 of 250 (83.6%) changed or added relevant lines in 28 files are covered.
• No unchanged relevant lines lost coverage.
• Overall first build on bump_deps at 84.383%

---

Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
mono_repo/lib/src/ci_shared.dart	15	16	93.75%
mono_repo/lib/src/commands/ci_script/generate.dart	3	4	75.0%
mono_repo/lib/src/package_config.dart	9	10	90.0%
mono_repo/lib/src/commands/dart.dart	2	4	50.0%
mono_repo/lib/src/commands/mono_repo_command.dart	0	2	0.0%
mono_repo/lib/src/utilities.dart	3	6	50.0%
mono_repo/lib/src/commands/readme_command.dart	0	4	0.0%
mono_repo/lib/src/commands/list_command.dart	0	7	0.0%
mono_repo/lib/src/runner.dart	0	9	0.0%
mono_repo/lib/src/commands/presubmit.dart	0	11	0.0%

Totals
Change from base Build 18436509993:	84.4%
Covered Lines:	1259
Relevant Lines:	1492

---

💛 - Coveralls