OSSEVALML-80 Python 3.10 audit

[cp2boston]

Pull Request Description

This ticket provides minor updates to allow successful testing under python 3.10. Specifically:

• Added Dockerfile.arm (and .dockerignore) to provide a 3.10 test environment
• Added a container/arm specific test fixture to limit chrome to single thread
• Updated several unit tests to accept the enhanced exception message
• Updated the pytest version to 7.1.2

---

After creating the pull request: in order to pass the release_notes_updated check you will need to update the "Future Release" section of docs/source/release_notes.rst to include this pull request by adding :pr:123.

[CLAassistant]

All committers have signed the CLA.

[codecov[bot]]

Codecov Report

Merging #3609 (e4fd575) into main (4ebe97a) will decrease coverage by 0.1%. The diff coverage is 60.0%.

@@           Coverage Diff           @@
##            main   #3609     +/-   ##
=======================================
- Coverage   99.7%   99.7%   -0.0%     
=======================================
  Files        335     335             
  Lines      33840   33845      +5     
=======================================
+ Hits       33712   33715      +3     
- Misses       128     130      +2     

Impacted Files	Coverage Δ
evalml/tests/data_checks_tests/test_data_checks.py	100.0% <ø> (ø)
evalml/tests/utils_tests/test_gen_utils.py	99.5% <60.0%> (-0.5%)	:arrow_down:

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[gsheni]

@cp2boston or @chukarsten Can we fix the lint error and release notes conflict here?