Add `vault_pki` modules #181

Job	Run time
CI / Get Changed Files / Get Changed Files	3s
CI / Changed Files Debug Output	1s
CI / Pre-Commit / Pre-Commit	2m 17s
CI / Python Package	0s
CI / Test / Linux (3.9, 3006.8)	21m 9s
CI / Test / Linux (3.9, 3007.1)	22m 6s
CI / Docs / Docs	1m 33s
CI / Test / macOS (3.9, 3006.8)	1m 5s
CI / Test / Linux (3.10, 3006.8)	20m 10s
CI / Test / macOS (3.10, 3007.1)	58s
CI / Test / Linux (3.10, 3007.1)	20m 18s
CI / Test / Windows (3.8, 3006.8)	3m 8s
CI / Test / Linux (3.8, 3006.8)	20m 32s
CI / Test / Windows (3.8, 3007.1)	2m 51s
CI / Deploy Python Package (Test PyPI)	0s
CI / Deploy Python Package (PyPI)	0s
CI / Set the CI Pipeline Exit Status	9s
	1h 56m 20s

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