Bump image to discourse/base:2.0.20260609-1222 (#326)

Author: davidtaylorhq

app/controllers/docker_manager/admin_controller.rb

@@ -56,7 +56,7 @@ def repos
           end
 
         version = Gem::Version.new(version)
-        expected_version = Gem::Version.new("2.0.20260521-0047")
+        expected_version = Gem::Version.new("2.0.20260609-1222")
         ruby_version = Gem::Version.new(RUBY_VERSION)
         expected_ruby_version = Gem::Version.new("3.4.9")
         upgrade_image = version < expected_version