Upgrade Ruma

[zecakeh]

Handle a breaking change around request AuthSchemes.

• I've documented the public API Changes in the appropriate CHANGELOG.md files.
• This PR was made with the help of AI.

[codspeed-hq]

Merging this PR will not alter performance

✅ 50 untouched benchmarks

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_{Comparing zecakeh:bump-ruma (65ed937) with main (81bed18)}

[codecov]

Codecov Report

❌ Patch coverage is 88.46154% with 3 lines in your changes missing coverage. Please review.
✅ Project coverage is 89.80%. Comparing base (60ce062) to head (65ed937).
⚠️ Report is 7 commits behind head on main.
✅ All tests successful. No failed tests found.

Files with missing lines	Patch %	Lines
crates/matrix-sdk/src/http_client/mod.rs	87.50%	3 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #6312      +/-   ##
==========================================
- Coverage   89.81%   89.80%   -0.02%     
==========================================
  Files         376      376              
  Lines      102447   102468      +21     
  Branches   102447   102468      +21     
==========================================
+ Hits        92017    92024       +7     
- Misses       6850     6855       +5     
- Partials     3580     3589       +9     

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