main.yml: Reduce differences from other repos

.github/workflows/main.yml

@@ -24,14 +24,7 @@ jobs:
     strategy:
       matrix:
         boards: [arm-01, arm-02, arm-03, arm-04, arm-05, arm-06, arm-07, arm-08, arm-09, arm-10, arm-11, arm-12, arm-13, arm-14, arm-15, mips-riscv-x86-xtensa, sim]
-
     steps:
-    - name: Checkout apps repo
-      uses: actions/checkout@v2
-      with:
-        path: apps
-        fetch-depth: 0
-
     - name: Checkout nuttx repo
       uses: actions/checkout@v2
       with:
@@ -44,6 +37,13 @@ jobs:
         cd nuttx
         git fetch --tags
 
+    - name: Checkout apps repo
+      uses: actions/checkout@v2
+      with:
+        repository: apache/incubator-nuttx-apps
+        path: apps
+        fetch-depth: 0
+
     - name: Checkout testing repo
       uses: actions/checkout@v2
       with: