Merge pull request #1763 from WadeBarnes/ubuntu-20.04-upgrade

Fix incorrect path filter in PR.yaml

Author: WadeBarnes

.github/workflows/PR.yaml

@@ -3,7 +3,7 @@ on:
   pull_request:
     paths:
       - '**'
-      - "!plenum/__version__.json"
+      - "!indy_node/__version__.json"
 
     branches:
       - ubuntu-20.04-upgrade