Remove `macos-latest` job matrix from Test CI #228

Job	Run time
Validate coverage	23s
Lint the package	23s
Build the documentation	30s
Functional Python 3 web tests	6m 37s
Python: 3.8-x64 on ubuntu-latest	24s
Python: 3.8-x64 on windows-latest	18s
Python: 3.8-x86 on windows-latest	1s
Python: 3.8-x64 on macos-latest	12s
Python: 3.9-x64 on ubuntu-latest	1s
Python: 3.9-x64 on windows-latest	1s
Python: 3.9-x86 on windows-latest	1s
Python: 3.9-x64 on macos-latest	12s
Python: 3.10-x64 on ubuntu-latest	30s
Python: 3.10-x64 on windows-latest	16s
Python: 3.10-x86 on windows-latest	17s
Python: 3.10-x64 on macos-latest	12s
Python: 3.11-x64 on ubuntu-latest	20s
Python: 3.11-x64 on windows-latest	15s
Python: 3.11-x86 on windows-latest	16s
Python: 3.11-x64 on macos-latest	18s
Python: 3.12-x64 on ubuntu-latest	29s
Python: 3.12-x64 on windows-latest	17s
Python: 3.12-x86 on windows-latest	17s
Python: 3.12-x64 on macos-latest	18s
Python: pypy-3.10-x64 on ubuntu-latest	1s
Python: pypy-3.10-x64 on windows-latest	1s
Python: pypy-3.10-x86 on windows-latest	1s
Python: pypy-3.10-x64 on macos-latest	1s
Python: pypy-3.7- on ubuntu-latest	1s
	12m 53s

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