Relax watchDirectories glob

The previous glob was a little too restrictive and would not watch files target at request variants e.g. `app/views/things/show.html+phone.erb`

esbuild.config.mjs

@@ -22,7 +22,7 @@ const entryPoints = [
 ]
 const watchDirectories = [
   "./app/javascript/**/*.js",
-  "./app/views/**/*.html.erb",
+  "./app/views/**/*.html*.erb",
   "./app/assets/builds/**/*.css", // Wait for cssbundling changes
 ]
 const config = {