fixed outputs

Author: wtripp180901

.github/workflows/update-timestamps.yml

@@ -7,6 +7,8 @@ on:
 
 jobs:
   upstream_check:
+    outputs:
+      timestamps_changed: "{{ steps.timestamp_check.outputs.timestamps_changed }}"
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2
@@ -39,13 +41,15 @@ jobs:
           git push
   
   build_fatimage:
-    if: "${{ steps.timestamp_check.outputs.timestamps_changed }} == 0"
+    if: "${{ needs.upstream_check.outputs.timestamps_changed }} == 0"
     needs: upstream_check
     uses: ./.github/workflows/fatimage.yml
 
   ci_and_pr:
-    if: "${{ steps.timestamp_check.outputs.timestamps_changed }} == 0"
-    needs: build_fatimage
+    if: "${{ needs.upstream_check.outputs.timestamps_changed }} == 0"
+    needs:
+     - upstream_check
+     - build_fatimage
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2