go_resource deprecation comments

Signed-off-by: Michael Cho <michael@michaelcho.dev>

Library/Homebrew/formula.rb

@@ -3324,6 +3324,7 @@ class Formula
     end
 
     def go_resource(name, &block)
+      # odeprecated "Formula#go_resource", "Go modules"
       specs.each { |spec| spec.go_resource(name, &block) }
     end
 

Library/Homebrew/language/go.rb

@@ -14,7 +14,7 @@ module Language
     # e.g. `resource "github.com/foo/bar"`.
     sig { params(resources: T::Array[Resource], target: T.any(String, Pathname)).void }
     def self.stage_deps(resources, target)
-      # odeprecated "Language::Go::stage_deps", "or request upstream to migrate to Go modules"
+      # odeprecated "Language::Go::stage_deps", "Go modules"
       if resources.empty?
         if Homebrew::EnvConfig.developer?
           odie "Tried to stage empty Language::Go resources array"

Library/Homebrew/software_spec.rb

@@ -138,6 +138,7 @@ class SoftwareSpec
   end
 
   def go_resource(name, &block)
+    # odeprecated "SoftwareSpec#go_resource", "Go modules"
     resource name, Resource::Go, &block
   end