fix

.github/workflows/build-pr.yml

@@ -7,21 +7,17 @@ on: pull_request
 
 jobs:
 
-  # build and test the PR
   build-pr:
 
-    name: Build PR (...)
-    runs-on: linux-latest
-
-    strategy:
-      fail-fast: false
+    name: Build PR ${{ github.event.pull_request.number }}
+    runs-on: ubuntu-latest
 
     steps:
     
       - name: Step 1
         shell: bash
-        run: echo "step 1 of {{ github.event.pull_request.number }}"
+        run: echo "step 1 of ${{ github.event.pull_request.number }}"
         
       - name: Step 2
         shell: bash
-        run: echo "step 2 of {{ github.event.pull_request.number }}"
+        run: echo "step 2 of ${{ github.event.pull_request.number }}"