Update docker.io/postgres Docker tag to v18

.gitea/workflows/render-manifests.yaml

@@ -94,7 +94,7 @@ jobs:
       - name: Check for Changes
         id: check-changes
         run: |
-          git restore --staged clusters/**/helm
+          git restore --staged ${{ gitea.workspace }}/clusters/**/helm
 
           if git status --porcelain | grep -q .; then
             echo ">> Changes detected"
@@ -154,6 +154,7 @@ jobs:
           #HTTP_STATUS=$(
             curl -X POST \
               --silent \
+
               --data "${PAYLOAD}" \
               -H "Authorization: token ${GITEA_TOKEN}" \
               -H "Content-Type: application/json" \