Update tlsProviderFactoryClass example in bookkeeper.conf
SSLContextFactory got changed to TLSContextFactory
in bookkeeper 4.6.0
Refs
@@ -174,7 +174,7 @@ maxPendingAddRequestsPerThread=10000
# tlsProvider=OpenSSL
# The path to the class that provides security.
-# tlsProviderFactoryClass=org.apache.bookkeeper.security.SSLContextFactory
+# tlsProviderFactoryClass=org.apache.bookkeeper.tls.TLSContextFactory
# Type of security used by server.
# tlsClientAuthentication=true
