formula_installer: allow installing/upgrading disabled formulae

Signed-off-by: Patrick Linnane <patrick@linnane.io>

Author: p-linnane

Library/Homebrew/formula_installer.rb

@@ -254,8 +254,12 @@ def prelude
       when :deprecated
         opoo message
       when :disabled
-        GitHub::Actions.puts_annotation_if_env_set(:error, message)
-        raise CannotInstallFormulaError, message
+        if force?
+          opoo message
+        else
+          GitHub::Actions.puts_annotation_if_env_set(:error, message)
+          raise CannotInstallFormulaError, message
+        end
       end
     end