Fail on --vcs-* options

This makes `--vcs-*` options unusable. If they are used, Scala Steward
will print a message and exit with an error.

These options are deprecated since #2916
and should be replaced with the corresponding `--forge-*` options.

Author: fthomas

modules/core/src/main/scala/org/scalasteward/core/application/Cli.scala

@@ -107,7 +107,7 @@ object Cli {
       "vcs-type",
       s"deprecated in favor of --${name.forgeType}",
       visibility = Visibility.Partial
-    )
+    ).validate(s"--vcs-type is deprecated; use --${name.forgeType} instead")(_ => false)
 
   private val forgeType = {
     val help = ForgeType.all.map(_.asString).mkString("One of ", ", ", "") +
@@ -120,7 +120,7 @@ object Cli {
       "vcs-api-host",
       s"deprecated in favor of --${name.forgeApiHost}",
       visibility = Visibility.Partial
-    )
+    ).validate(s"--vcs-api-host is deprecated; use --${name.forgeApiHost} instead")(_ => false)
 
   private val forgeApiHost: Opts[Uri] =
     option[Uri](name.forgeApiHost, s"API URL of the forge; default: ${GitHub.publicApiBaseUrl}")
@@ -132,7 +132,7 @@ object Cli {
       "vcs-login",
       s"deprecated in favor of --${name.forgeLogin}",
       visibility = Visibility.Partial
-    )
+    ).validate(s"--vcs-login is deprecated; use --${name.forgeLogin} instead")(_ => false)
 
   private val forgeLogin: Opts[String] =
     option[String](name.forgeLogin, "The user name for the forge").orElse(vcsLogin)