Add prometheus metric with version information #3156

Job	Run time
Test Docs	1m 12s
Test Examples	41s
build (ubuntu-latest, 3.8)	1m 47s
build (ubuntu-latest, 3.11)	1m 48s
Test Lint	44s
Test Minimum Versions	1m 49s
build (windows-latest, 3.8)	1m 38s
build (windows-latest, 3.11)	1m 37s
Test Prereleases	1m 50s
build (macos-latest, 3.8)	1m 49s
build (macos-latest, 3.11)	1m 49s
build (windows-latest, 3.9)	1m 41s
Check Links	1m 48s
build (ubuntu-latest, pypy-3.8)	1m 48s
check_release	1m 49s
build (macos-latest, 3.10)	1m 49s
integration_check (ubuntu-latest, 3.8)	1m 47s
build (ubuntu-latest, 3.12)	1m 47s
integration_check (ubuntu-latest, 3.9)	1m 47s
integration_check_pypy	1m 47s
integration_check (ubuntu-latest, 3.10)	1m 46s
integration_check (ubuntu-latest, 3.11)	1m 48s
Make SDist	21s
Install from SDist and Test	1m 22s
coverage	1s
tests_check	2s
	38m 7s

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