[BUG] Fix set_execution_config not setting hash_join_partition_size_leniency

[Vince7778]

No description provided.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 63.11%. Comparing base (372d9bc) to head (855a738).

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2759      +/-   ##
==========================================
+ Coverage   63.08%   63.11%   +0.03%     
==========================================
  Files         994      994              
  Lines      113416   113416              
==========================================
+ Hits        71548    71586      +38     
+ Misses      41868    41830      -38     

Files with missing lines	Coverage Δ
daft/context.py	75.64% <ø> (ø)

... and 20 files with indirect coverage changes

[codspeed-hq]

CodSpeed Performance Report

Merging #2759 will improve performances by 61.31%

_{Comparing conor/hash-join-config (855a738) with main (372d9bc)}

Summary

⚡ 1 improvements
✅ 15 untouched benchmarks

Benchmarks breakdown

	Benchmark	main	conor/hash-join-config	Change
⚡	test_show[100 Small Files]	723.3 ms	448.4 ms	+61.31%