workspace: Bump ruma crate

[zecakeh]

Closes #3187.

[codecov]

Codecov Report

Attention: Patch coverage is 40.00000% with 3 lines in your changes are missing coverage. Please review.

Project coverage is 83.84%. Comparing base (cb6b420) to head (9136705).

Files	Patch %	Lines
crates/matrix-sdk/src/http_client/mod.rs	25.00%	3 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #3201      +/-   ##
==========================================
- Coverage   83.85%   83.84%   -0.02%     
==========================================
  Files         232      232              
  Lines       24004    24005       +1     
==========================================
- Hits        20129    20127       -2     
- Misses       3875     3878       +3     

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