fix prod deployment by fixing build trigger

Author: mxmehl

.github/workflows/hugo.yaml

@@ -55,7 +55,7 @@ jobs:
     runs-on: ubuntu-22.04
     needs: vars
     # Only if PR not closed or merged
-    if: needs.vars.outputs.pr_closed_merged == 'false'
+    if: needs.vars.outputs.pr_closed_merged == 'false' || needs.vars.outputs.pr_closed_merged == ''
     steps:
       - uses: actions/checkout@v4
         with:
@@ -90,7 +90,7 @@ jobs:
     needs:
       - vars
       - build
-    if: needs.vars.outputs.pr_closed_merged == 'false'
+    if: needs.vars.outputs.pr_closed_merged == 'false' || needs.vars.outputs.pr_closed_merged == ''
     steps:
       - name: Download artifact
         uses: actions/download-artifact@v4