Update the regex

The failed tests are now passing.

The approach is a little naive in that a string surrounded by one double quote and one single quote will return as a positive result.

Whether this is important enough that it should be addressed with a more complex regex is up for question.

Author: vietqhoang

lib/importmap/npm.rb

@@ -48,8 +48,8 @@ def packages_with_versions
     # We cannot use the name after "pin" because some dependencies are loaded from inside packages
     # Eg. pin "buffer", to: "https://ga.jspm.io/npm:@jspm/[email protected]/nodelibs/browser/buffer.js"
 
-    importmap.scan(/^pin .*(?<=npm:|npm\/|skypack\.dev\/|unpkg\.com\/)(.*)(?=@\d+\.\d+\.\d+)@(\d+\.\d+\.\d+(?:[^\/\s"]*)).*$/) |
-      importmap.scan(/^pin "([^"]*)".* #.*@(\d+\.\d+\.\d+(?:[^\s]*)).*$/)
+    importmap.scan(/^pin .*(?<=npm:|npm\/|skypack\.dev\/|unpkg\.com\/)(.*)(?=@\d+\.\d+\.\d+)@(\d+\.\d+\.\d+(?:[^\/\s["|']]*)).*$/) |
+      importmap.scan(/^pin ["|']([^["|']]*)["|'].* #.*@(\d+\.\d+\.\d+(?:[^\s]*)).*$/)
   end
 
   private