Update release.yml

Author: egil

.github/workflows/release.yml

@@ -109,7 +109,8 @@ jobs:
         continue-on-error: true
         run: |
           git checkout main
-          git merge --no-commit --no-ff stable ; if [ $? -eq 0 ] ; then echo "CAN_MERGE=true" >> $GITHUB_ENV ; else echo "CAN_MERGE=false" >> $GITHUB_ENV ; fi
+          git merge --no-commit --no-ff stable
+          echo "CAN_MERGE=true" >> $GITHUB_ENV
       
       - name: ⏩ Merge stable with main, push main        
         if: ${{ env.CAN_MERGE == true }}
@@ -119,7 +120,7 @@ jobs:
           git push origin main
           
       - name: ⏭ Create pull request from stable to main
-        if: ${{ env.CAN_MERGE == false }}
+        if: ${{ env.CAN_MERGE != true }}
         uses: thomaseizinger/create-pull-request@1.0.0
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}