Fix compat with doctrine/mongodb-odm 2.11

[mbabker]

doctrine/mongodb-odm#2738 changed from spl_object_hash() to spl_object_id() in the UoW and changed some typehints on internal methods.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 78.45%. Comparing base (ea1d375) to head (3eda25c).

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2945      +/-   ##
==========================================
+ Coverage   78.43%   78.45%   +0.01%     
==========================================
  Files         168      168              
  Lines        8806     8813       +7     
==========================================
+ Hits         6907     6914       +7     
  Misses       1899     1899              

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.