Move window of supported python versions.

[delucchi-cmu]

Drop support for 3.9.

There were some issues with python 3.13, and seemingly numba. Skipping adding that support for now.

[github-actions]

Before [081961a]	After [d5480de]	Ratio	Benchmark (Parameter)
76.1±1ms	78.5±0.8ms	1.03	benchmarks.MetadataSuite.time_load_partition_join_info
76.8±0.8ms	77.9±0.5ms	1.02	benchmarks.MetadataSuite.time_load_partition_info_order7
19.4±0.2ms	19.6±0.2ms	1.01	benchmarks.MetadataSuite.time_load_partition_info_order6
40.1±0.4ms	40.3±0.8ms	1.01	benchmarks.Suite.time_pixel_tree_creation
92.5±0.4ms	92.8±1ms	1	benchmarks.Suite.time_paths_creation
117±0.6ms	117±0.5ms	1	benchmarks.time_test_alignment_even_sky
368±4ms	365±2ms	0.99	benchmarks.Suite.time_outer_pixel_alignment
1.03±0.03ms	1.02±0.01ms	0.99	benchmarks.time_test_cone_filter_multiple_order
13.5±0.4ms	12.9±0.2ms	0.96	benchmarks.Suite.time_inner_pixel_alignment

Click here to view all benchmarks.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 93.29%. Comparing base (081961a) to head (498640c).
Report is 2 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #442   +/-   ##
=======================================
  Coverage   93.29%   93.29%           
=======================================
  Files          47       47           
  Lines        2044     2044           
=======================================
  Hits         1907     1907           
  Misses        137      137           

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