MINIFICPP-2470 Add SSL and mTLS authentication support to CouchbaseClusterService

[lordgamez]

• Add mTLS authentication option with linked SSLContextService of CouchbaseClusterService
• Add support for adding CA certificate with linked SSLContextService to use SSL communication when using username/password authentication
• Fix enabling linked services of a controller service before enabling the controller service itself

https://issues.apache.org/jira/browse/MINIFICPP-2470

Depends on #1881

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