ci: run assigning reviewers also on drafts

Author: iCrawl

.github/auto_assign.yml

@@ -5,3 +5,4 @@ reviewers:
   - kyranet
   - vladfrangu
 numberOfReviewers: 0
+runOnDraft: true

.github/workflows/pr-automation.yml

@@ -12,5 +12,5 @@ jobs:
           sync-labels: true
 
       - name: Automatically assign reviewers
-        if: ${{ github.event.action == 'opened' }}
-        uses: kentaro-m/auto-assign-action@v1.1.2
+        if: github.event.action == 'opened'
+        uses: kentaro-m/auto-assign-action@v1.2.1