DefaultClientResources.dnsResolver(DnsResolver resolver) should be marked as deprecated.

[yfwz100]

Just like definitions at its interface:

lettuce/src/main/java/io/lettuce/core/resource/ClientResources.java

Lines 164 to 175 in cc9d240

	/**
	* Sets the {@link DnsResolver} that is used to resolve hostnames to {@link java.net.InetAddress}. Defaults to
	* {@link DnsResolvers#UNRESOLVED} to use netty's {@link AddressResolverGroup}.
	*
	* @param dnsResolver the DNS resolver, must not be {@code null}.
	* @return {@code this} {@link Builder}.
	* @since 4.3
	* @deprecated since 6.1. Configure {@link AddressResolverGroup} instead.
	*/
	@Deprecated
	Builder dnsResolver(DnsResolver dnsResolver);

The implementation method should be marked as deprecated to inform users to use the new settings.

lettuce/src/main/java/io/lettuce/core/resource/DefaultClientResources.java

Line 452 in cc9d240

public Builder dnsResolver(DnsResolver dnsResolver) {