Port over miscellaneous changes from SIGMOD branch

[MaxiBoether]

No description provided.

[github-actions]

^{( % to main)
( % to main)}

[robinholzi]

Didn't check the new dataset wrappers, but the rest seems fine

[codecov]

Codecov Report

Attention: Patch coverage is 59.37500% with 13 lines in your changes missing coverage. Please review.

Project coverage is 84.90%. Comparing base (ee1904d) to head (c5a07de).

Files	Patch %	Lines
modyn/models/smallyearbooknet/smallyearbooknet.py	47.82%	12 Missing ⚠️
...ding_encoder_utils/embedding_encoder_downloader.py	50.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #582      +/-   ##
==========================================
+ Coverage   83.02%   84.90%   +1.87%     
==========================================
  Files         226      224       -2     
  Lines       10532    10318     -214     
==========================================
+ Hits         8744     8760      +16     
+ Misses       1788     1558     -230     

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