made more idempotent + terraform typo

Author: wtripp180901

.github/workflows/update-timestamps.yml

@@ -86,21 +86,18 @@ jobs:
     with:
       ci_cloud_override: 'LEAFCLOUD'
 
-  ci_and_pr:
+  bump_timestamps:
     if: needs.upstream_check.outputs.new_fatimage == 'true'
-    needs:
-     - upstream_check
-     - build_fatimage
+    needs: build_fatimage
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2
         with:
           ref: auto/bump-timestamps
-
       - name: Bump CI with new images
         run: |
           git checkout auto/bump-timestamps
-          sed -i 's/"RL8".*$/"RL8": "${{ needs.build_fatimage.outputs.openhpc-RL8-image }}"/' environments/.stackhpc/terraform/cluster_image.auto.tfvars.json
+          sed -i 's/"RL8".*$/"RL8": "${{ needs.build_fatimage.outputs.openhpc-RL8-image }},"/' environments/.stackhpc/terraform/cluster_image.auto.tfvars.json
           sed -i 's/"RL9".*$/"RL9": "${{ needs.build_fatimage.outputs.openhpc-RL9-image }}"/' environments/.stackhpc/terraform/cluster_image.auto.tfvars.json 
 
       - name: Push new images
@@ -111,6 +108,14 @@ jobs:
           git commit -m "Bumped images"
           git push
 
+  create_pr:
+    needs: bump_timestamps
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+        with:
+          ref: auto/bump-timestamps
+
       - name: Check if PR exists
         id: pr-check
         run: |