Add OpenSSF Best Practices Badge, Address Warnings #1844

Job	Run time
Code linting	26s
Test with Python3.10 (Anaconda, ubuntu-latest)	2m 55s
Test with Python3.11 (tox, ubuntu-latest), upstream=)	5m 24s
Test with Python3.13 (Anaconda, ubuntu-latest)	3m 21s
Test with Python3.12 (tox, ubuntu-latest), upstream=)	6m 4s
Test with Python3.10 (Anaconda, macos-latest)	3m 27s
Test with Python3.13 (tox, ubuntu-latest), upstream=)	6m 2s
Test with Python3.13 (Anaconda, macos-latest)	3m 34s
Test with Python3.11 (tox, macos-latest), upstream=)	4m 39s
Test with Python3.12 (tox, macos-latest), upstream=)	5m 6s
Test with Python3.13 (tox, macos-latest), upstream=)	4m 33s
Test with Python3.10 (tox, ubuntu-latest), upstream=)	5m 37s
finish	7s
	51m 15s

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