chore: update plan workflow

.gitea/workflows/terraform-plan.yml

@@ -34,7 +34,7 @@ jobs:
           TF_CLOUD_TOKEN: ${{ secrets.TF_CLOUD_TOKEN }}
         run: |
           mkdir -p ~/.terraform.d/credentials
-          cat > ~/.terraform.d/credentials/tfcred.tfrc << EOF
+          cat > ~/.terraform.d/credentials/tfcred.tfrc << 'EOF'
 credentials "app.terraform.io" {
   token = "$TF_CLOUD_TOKEN"
 }
@@ -54,3 +54,8 @@ EOF
         working-directory: ./terraform
         run: |
           terraform plan -no-color 2>&1 | tee /tmp/plan_output.txt
+
+      - name: Upload Plan Output
+        if: always()
+        run: |
+          cat /tmp/plan_output.txt || echo "No plan output"