Fix typo

Author: yogh333

.github/workflows/build_all_apps.yml

@@ -14,7 +14,7 @@ jobs:
     name: Retrieve C apps
     runs-on: ubuntu-latest
     outputs:
-      c_apps: ${{ steps.get_c_apps.outputs.rust_apps }}
+      c_apps: ${{ steps.get_c_apps.outputs.c_apps }}
     steps:
       - name: Checkout repository
         uses: actions/checkout@v4