add collection path to pylance extra paths

Author: cmeissner

.vscode/settings.json

@@ -6,6 +6,7 @@
     "python.linting.enabled": true,
     "restructuredtext.confPath": "${workspaceFolder}/docs",
     "python.analysis.extraPaths": [
-        "./tests/scripts"
+        "./tests/scripts",
+        "build/collections"
     ]
 }