Improve code coverage (part 2)

[rjmurillo]

Update settings to include Analyzers as well as CodeFixes

Changes

• Test Settings
  • Refined the configuration for internal coverage measurements to enhance code coverage accuracy.
  • Adjusted filtering to ensure only the most relevant code areas are tracked, resulting in more precise insights.
• Code fixes
  • Expanded criteria for valid mocked member expressions in async method setups, improving the accuracy of diagnostics.
  • Added new checks for non-private constructors and property characteristics related to Task results.

Related to #342

Summary by CodeRabbit

Summary by CodeRabbit

• Chores
  • Enhanced configuration for test coverage by refining inclusion and exclusion rules.
  • Updated various package dependencies to their latest versions.
• Refactor
  • Streamlined internal logic for validating mock setups and handling asynchronous scenarios.
• Tests
  • Adjusted diagnostic settings to suppress non-critical documentation warnings, reducing unnecessary alerts.
  • Marked certain diagnostic rules as deprecated to indicate they may no longer be recommended for use.