Fix StackExchangeRedisInstrumentationOptions xml docs

[gao-artur]

Fixes #.

Changes

Please provide a brief description of the changes here.

For significant contributions please make sure you have completed the following items:

• Appropriate CHANGELOG.md updated for non-trivial changes
• Design discussion issue #
• Changes in public API reviewed

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 71.00%. Comparing base (71655ce) to head (51c4f9b).
Report is 274 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1842      +/-   ##
==========================================
- Coverage   73.91%   71.00%   -2.92%     
==========================================
  Files         267        5     -262     
  Lines        9615      269    -9346     
==========================================
- Hits         7107      191    -6916     
+ Misses       2508       78    -2430     

Flag	Coverage Δ
unittests-Instrumentation.StackExchangeRedis	71.00% <ø> (?)

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

Files	Coverage Δ
...eRedis/StackExchangeRedisInstrumentationOptions.cs	100.00% <ø> (ø)

... and 266 files with indirect coverage changes

[cijothomas]

Thanks. Please remove changelog, and we are good to merge

[gao-artur]

Done