ci: only assign PRs to dashboard

Author: coderbyheart

.github/workflows/add-to-project.yaml

@@ -1,8 +1,6 @@
-name: Auto Assign to the nRF Asset Tracker project
+name: Add PRs to nRF Asset Tracker PR dashboard
 
 on:
-  issues:
-    types: opened
   pull_request:
     types: opened
 env:
@@ -12,12 +10,6 @@ jobs:
   assign_to_project:
     runs-on: ubuntu-latest
     steps:
-      - name: Assign new issues to the To Do columen of the project
-        uses: srggrs/[email protected]
-        if: github.event_name == 'issues'
-        with:
-          project: "https://github.com/orgs/NordicSemiconductor/projects/2"
-          column_name: "To Do"
       - name: Assign new pull requests to the Doing column of the project
         uses: srggrs/[email protected]
         if: github.event_name == 'pull_request'