fix(ci): invalid yaml

Author: ledif

.github/workflows/build-iso.yml

@@ -8,17 +8,18 @@ jobs:
   iso:
     name: Create and Upload ISO
     runs-on: ubuntu-latest
-    - name: Build ISO
-      uses: jasonn3/build-container-installer@main
-      id: iso
-      with:
-        arch: x86_64
-        image_name: blue95
-        image_repo: ghcr.io/ledif
-        image_tag: latest
-        version: 41
-        variant: xfce
-        iso_name: blue95-latest-41.iso
+    steps:
+      - name: Build ISO
+        uses: jasonn3/build-container-installer@main
+        id: iso
+        with:
+          arch: x86_64
+          image_name: blue95
+          image_repo: ghcr.io/ledif
+          image_tag: latest
+          version: 41
+          variant: xfce
+          iso_name: blue95-latest-41.iso
 
       - name: Upload ISOs and Checksum to R2
         if: github.ref_name == 'main'