Merge pull request #4794 from assimp/kimkulling/prepare_submodule_update

Update dependabot.yml

.github/dependabot.yml

@@ -4,3 +4,8 @@ updates:
     directory: "/"
     schedule:
       interval: "weekly"
+  - package-ecosystem: "gitsubmodule"
+    directory: "/"  # the .gitmodules file must be placed at the top-level directory of a git working tree
+    schedule:
+      interval: "weekly"
+    open-pull-requests-limit: 15  # Assimp has 15 dependencies

.github/workflows/ccpp.yml

@@ -47,6 +47,8 @@ jobs:
 
     steps:
     - uses: actions/checkout@v3
+      with:
+          submodules: true
           
     - uses: lukka/get-cmake@latest