Upgrade Python 3.10.0-beta.4 to 3.10.0-rc.2

[cclauss]

https://www.python.org/downloads/release/python-3100rc2

https://github.com/actions/python-versions/releases

[codecov]

Codecov Report

Merging #2427 (9d08ff5) into main (38bdb22) will decrease coverage by 0.72%.
The diff coverage is n/a.

❗ Current head 9d08ff5 differs from pull request most recent head acc21f1. Consider uploading reports for the commit acc21f1 to get more accurate results

@@             Coverage Diff             @@
##              main    #2427      +/-   ##
===========================================
- Coverage   100.00%   99.27%   -0.73%     
===========================================
  Files           25       25              
  Lines         2490     2490              
===========================================
- Hits          2490     2472      -18     
- Misses           0       18      +18     

Impacted Files	Coverage Δ
src/urllib3/contrib/socks.py	81.08% <0.00%> (-18.92%)	⬇️
src/urllib3/util/wait.py	91.11% <0.00%> (-8.89%)	⬇️
src/urllib3/util/ssl_.py	96.39% <0.00%> (-3.61%)	⬇️
src/urllib3/response.py	99.26% <0.00%> (-0.74%)	⬇️

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[pquentin]

Thanks!