Add prometheus metric with version information #3154

Job	Run time
Test Lint	43s
Test Docs	1m 10s
build (ubuntu-latest, 3.8)	4m 1s
Test Examples	53s
build (ubuntu-latest, 3.11)	4m 1s
Test Minimum Versions	4m 4s
build (windows-latest, 3.8)	3m 56s
build (windows-latest, 3.11)	3m 55s
Check Links	4m 3s
build (macos-latest, 3.8)	4m 3s
check_release	1m 56s
build (macos-latest, 3.11)	4m 3s
integration_check (ubuntu-latest, 3.8)	2m 13s
build (windows-latest, 3.9)	3m 55s
integration_check_pypy	1m 29s
integration_check (ubuntu-latest, 3.9)	2m 15s
Make SDist	20s
build (ubuntu-latest, pypy-3.8)	4m 0s
integration_check (ubuntu-latest, 3.10)	2m 10s
build (macos-latest, 3.10)	4m 4s
integration_check (ubuntu-latest, 3.11)	2m 9s
Test Prereleases	4m 0s
build (ubuntu-latest, 3.12)	4m 2s
Install from SDist and Test	3m 35s
coverage	1s
tests_check	5s
	1h 11m 6s

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