ref!: remove Experimental from Metrics API

[Flash0ver]

Summary

Remove "Experimental" properties and [ExperimentalAttribute] from all Metrics APIs.

Remarks

• Docs PR: docs(dotnet): stable Metrics APIs sentry-docs#16932
• Onboarding PR: docs(dotnet): stable Metrics APIs sentry#110636

Changelog Entry

The Metrics APIs are now stable: removed Experimental from SentrySdk, SentryOptions and IHub

Issues

Closes #4921

[github-actions]

Semver Impact of This PR

⚪ None (no version bump detected)

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Breaking Changes 🛠

• The _Metrics_ APIs are now stable: removed Experimental from SentrySdk, SentryOptions and IHub by Flash0ver in #5023

Dependencies ⬆️

Deps

• chore(deps): update Java SDK to v8.35.0 by github-actions in #5017
• chore(deps): replaced the heavy protobuf-javalite 3.25.8 dependency with a light-weight epitaph 0.1.0 alternative on Android (getsentry/sentry-java#5157) by github-actions in #5017
• chore(deps): update CLI to v3.3.3 by github-actions in #5002
• chore(deps): update Cocoa SDK to v9.6.0 by github-actions in #4958

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 73.95%. Comparing base (bfe5319) to head (369e8df).
⚠️ Report is 11 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #5023      +/-   ##
==========================================
+ Coverage   73.92%   73.95%   +0.02%     
==========================================
  Files         497      497              
  Lines       17974    17966       -8     
  Branches     3517     3516       -1     
==========================================
- Hits        13287    13286       -1     
+ Misses       3832     3823       -9     
- Partials      855      857       +2     

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[jamescrosswell]

This again:

/Users/runner/work/sentry-dotnet/sentry-dotnet/src/Sentry.Bindings.Cocoa/Sentry.Bindings.Cocoa.csproj(112,11): error MSB4006: There is a circular dependency in the target dependency graph involving target "SetupCocoaSDK". [TargetFramework=net9.0-ios18.0]
/Users/runner/work/sentry-dotnet/sentry-dotnet/src/Sentry.Bindings.Cocoa/Sentry.Bindings.Cocoa.csproj(112,11): error MSB4006: There is a circular dependency in the target dependency graph involving target "SetupCocoaSDK". [TargetFramework=net9.0-maccatalyst18.0]

I bump into this once or twice a day... just costs time requeusting gh rerun the jobs and then coming back later to do actual reviews/approvals.

It should hopefully be addressed by #4956. @Flash0ver I think we should get that merged in to check (we can always revert if it doesn't work).