O11Y-4317: update generated mocks and format project

[blakeroberts-wk]

Which problem is this PR solving?

make init (as well as dart pub publish) was failing around building the mocks.

build_runner:build_runner:
../../../../../.pub-cache/hosted/pub.dev/watcher-1.0.2/lib/src/constructable_file_system_event.dart:7:57: Error: The class 'FileSystemEvent' can't be extended, implemented, or mixed in outside of its library because it's a sealed class.
abstract class _ConstructableFileSystemEvent implements FileSystemEvent {
                                                        ^

Fixes # (issue)

Short description of the change

Update generated mocks from version 5.4.2 to 5.4.4.

How Has This Been Tested?

Unit tests and whitespace changes only.

Checklist:

• Unit tests have been added
• Documentation has been updated

[aviary-wf]

Security Insights

No security relevant content was detected by automated scans.

Action Items

• Review PR for security impact; comment "security review required" if needed or unsure
• Verify aviary.yaml coverage of security relevant code

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Questions or Comments? Reach out on Slack: #support-infosec.

[blakeroberts-wk]

QA +1 passing CI is sufficient considering the changes are to tests and whitespace only

[blakeroberts-wk]

@Workiva/release-management-p

[rmconsole-wf]

+1 from RM