Prep to release v0.9.9

[jinningwang]

• In module MatProcessor, add two parameters permc_spec and use_umfpack in function build_ptdf
• Follow RTD's deprecation of Sphinx context injection at build time
• In MATPOWER conversion, set devices name as None
• Skip macOS tests in azure-pipelines due to failure in fixing its configuration
• Prepare to support NumPy v2.0.0, but solvers have unexpected behavior
• Improve the logic of setting Optz value
• Support NumPy v2.0.0
• Transition to pyproject.toml for build configuration

[codacy-production]

Coverage summary from Codacy

See diff coverage on Codacy

Coverage variation	Diff coverage
✅ -3.01% (target: -10.00%)	✅ 64.23% (target: 0.00%)

Coverage variation details

	Coverable lines	Covered lines	Coverage
Common ancestor commit (63b55b4)	11652	6701	57.51%
Head commit (f886b4b)	12374 (+722)	6744 (+43)	54.50% (-3.01%)

Coverage variation is the difference between the coverage for the head and common ancestor commits of the pull request branch: <coverage of head commit> - <coverage of common ancestor commit>

Diff coverage details

	Coverable lines	Covered lines	Diff coverage
Pull request (#93)	260	167	64.23%

Diff coverage is the percentage of lines that are covered by tests out of the coverable lines that the pull request added or modified: <covered lines added or modified>/<coverable lines added or modified> * 100%

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_{Codacy stopped sending the deprecated coverage status on June 5th, 2024. Learn more}

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 78.28%. Comparing base (63b55b4) to head (f886b4b).
Report is 35 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master      #93      +/-   ##
==========================================
+ Coverage   78.20%   78.28%   +0.08%     
==========================================
  Files          61       61              
  Lines        5230     5237       +7     
==========================================
+ Hits         4090     4100      +10     
+ Misses       1140     1137       -3     

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