MINIFICPP-2135 Add SSL support for Prometheus reporter #4226

Job	Run time
centos	1h 42m 55s
macos-xcode	1h 10m 13s
ubuntu-20.04	42m 6s
Docker build for integration tests	1h 24m 43s
ubuntu-20.04-clang	56m 42s
windows-2019	1h 52m 18s
Docker integration tests	25m 11s
	8h 14m 8s

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