chore(deps): update .NET SDK to v4.2.1

[github-actions]

Bumps src/sentry-dotnet from 4.1.2 to 4.2.1.

Auto-generated by a dependency updater.

Changelog

4.2.1

Fixes

• Dynamic Sampling Context not propagated correctly for HttpClient spans (#3208)

4.2.0

Features

• ASP.NET Core: Blocking call detection. An event with the stack trace of the blocking call will be captured as event. (#2709)
  • IMPORTANT: Verify this in test/staging before prod! Blocking calls in hot paths could create a lot of events for your Sentry project.
  • Opt-in via options.CaptureBlockingCalls = true
  • Disabled for specific code blocks with using (new SuppressBlockingDetection())
  • Doesn't detect everything. See original Caveats described by Ben Adams.
• Added Crons support via SentrySdk.CaptureCheckIn and an integration with Hangfire (#3128)
• Common tags set automatically for metrics and metrics summaries are attached to Spans (#3191)

API changes

• Removed ScopeExtensions class - all the public methods moved directly to Scope (#3186)

Fixes

• The Sentry Middleware on ASP.NET Core no longer throws an exception after having been initialized multiple times (#3185)
• Empty strings are used instead of underscores to replace invalid metric tag values (#3176)
• Filtered OpenTelemetry spans are garbage collected correctly (#3198)

Dependencies

• Bump Java SDK from v7.3.0 to v7.6.0 (#3164, #3204)
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• Bump Cocoa SDK from v8.20.0 to v8.21.0 (#3194)
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• Bump CLI from v2.28.6 to v2.30.0 (#3193, #3203)
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