🏃 Deprecate Webhook Server TLSMinVersion

This field has been added in kubernetes-sigs#1548
It then turned out that people want to configure more parts of the
TLSConfig and the generic TLSOpts was added in kubernetes-sigs#1897

Deprecate TLSMinVersion in favor of the more generic TLSOpts.

pkg/webhook/server.go

@@ -74,6 +74,7 @@ type Server struct {
 
 	// TLSVersion is the minimum version of TLS supported. Accepts
 	// "", "1.0", "1.1", "1.2" and "1.3" only ("" is equivalent to "1.0" for backwards compatibility)
+	// Deprecated: Use TLSOpts instead.
 	TLSMinVersion string
 
 	// TLSOpts is used to allow configuring the TLS config used for the server