ignore dist in codeql scan

codeql is choking on the minified/transformed version of the project JS, so we need to get it to ignore that.

Author: zkat

.github/workflows/codeql.yml

@@ -1,5 +1,8 @@
 name: "Code scanning - action"
 
+paths-ignore:
+  - dist
+
 on:
   push:
   pull_request: