Add Dependabot high/critical alert issues workflow #175

Job	Run time
Test and lint package (3.10)	40s
Test and lint package (3.11)	46s
Test and lint package (3.9)	42s
Test and lint package (3.8)	1m 0s
Test and lint package (3.12)	48s
Build and upload distribution package	0s
Publish Python distribution package to PyPI	0s
	3m 56s

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