Add: health endpoints to openAPI #1215

Job	Run time
audit	13s
clippy	4m 54s
formatting (nasl-syntax)	6s
typos	2m 5s
unittests (stable)	7m 34s
formatting (storage)	4s
unittests (beta)	6m 27s
formatting (nasl-interpreter)	3s
unittests (nightly)	5m 34s
formatting (redis-storage)	4s
formatting (json-storage)	8s
formatting (nasl-cli)	4s
rs-build-binaries / build	15m 41s
verify-syntax	1m 19s
verify-feed-update	4m 16s
	48m 32s

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