[StackExchange.Redis] ignore Enrich callback exceptions

[matt-hensley]

Changes

Ignore Enrich callback exceptions just like the existing Filter callback handling. Exceptions from the Enrich callback prevented the activity being constructed from being stopped appropriately.

Merge requirement checklist

• CONTRIBUTING guidelines followed (license requirements, nullable enabled, static analysis, etc.)
• Unit tests added/updated
• Appropriate CHANGELOG.md files updated for non-trivial changes
• Changes in public API reviewed (if applicable)

[opentelemetry-pr-dashboard]

Pull request dashboard status

Status last refreshed: 2026-07-25 15:32:13 UTC.

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 77.33%. Comparing base (9d4e55f) to head (4d3f20a).
⚠️ Report is 1 commits behind head on main.
✅ All tests successful. No failed tests found.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #4900   +/-   ##
=======================================
  Coverage   77.33%   77.33%           
=======================================
  Files         468      468           
  Lines       19811    19814    +3     
=======================================
+ Hits        15320    15323    +3     
  Misses       4491     4491           

Flag	Coverage Δ
unittests-Instrumentation.StackExchangeRedis	94.41% <100.00%> (+0.04%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Files with missing lines	Coverage Δ
...mentation/RedisProfilerEntryToActivityConverter.cs	93.33% <100.00%> (+0.13%)	⬆️

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[martincostello]

Add a CHANGELOG entry?