Drop Python 3.9 Support

[ni-jfitzger]

• This contribution adheres to CONTRIBUTING.md.
• I've updated CHANGELOG.md if applicable.
• [ ] I've added tests applicable for this pull request

What does this Pull Request accomplish?

• Drop Python 3.9 support, by removing it from our testing and list of officially supported versions.
  • See https://devguide.python.org/versions/
• Disallow installation of APIs on Python versions earlier than 3.10
• Bumps copyright year (incidental codegen)

List issues fixed by this Pull Request below, if any.

None

What testing has been done?

PR Checks

[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 90.08%. Comparing base (89f0a20) to head (e462b37).

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #2153      +/-   ##
==========================================
- Coverage   90.62%   90.08%   -0.55%     
==========================================
  Files          61       71      +10     
  Lines       17012    18664    +1652     
==========================================
+ Hits        15417    16813    +1396     
- Misses       1595     1851     +256     

Flag	Coverage Δ
codegenunittests	84.44% <ø> (?)
nidcpowersystemtests	94.65% <ø> (+0.04%)	⬆️
nidcpowerunittests	89.53% <ø> (ø)
nidigitalsystemtests	92.26% <ø> (ø)
nidigitalunittests	68.44% <ø> (ø)
nidmmsystemtests	92.72% <ø> (ø)
nifakeunittests	85.49% <ø> (ø)
nifgensystemtests	94.61% <ø> (ø)
nimodinstsystemtests	73.85% <ø> (ø)
nimodinstunittests	94.20% <ø> (ø)
nirfsgsystemtests	82.40% <ø> (ø)
niscopesystemtests	92.94% <ø> (ø)
niscopeunittests	43.20% <ø> (ø)
nisesystemtests	91.50% <ø> (ø)
niswitchsystemtests	82.03% <ø> (ø)
nitclksystemtests	94.87% <ø> (ø)
nitclkunittests	98.26% <ø> (ø)

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see 11 files with indirect coverage changes

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