Added submodules.

.github/workflows/builds/unity.yaml

@@ -4,6 +4,8 @@ on:
   workflow_dispatch:
 
 env:
+  GITEA_TOKEN: ${{ secrets.PACKAGE_APIKEY }}
+
   UNITY_COMPRESSION_LEVEL: lz4hc
   UNITY_ZIP_ON_COMPLETE: false
   UNITY_USERNAME: ${{ secrets.UNITY_USERNAME }}
@@ -38,6 +40,9 @@ jobs:
     steps:
     - name: "Checkout"
       uses: https://github.com/actions/checkout@v3
+      with:
+        submodules: true
+        token: ${{ env.GITEA_TOKEN }}
     - name: "Build Unity Project"
       uses: act/unity/unity-project-cached-artifacts@master
       with:
@@ -65,6 +70,9 @@ jobs:
     steps:
     - name: "Checkout"
       uses: https://github.com/actions/checkout@v3
+      with:
+        submodules: true
+        token: ${{ env.GITEA_TOKEN }}
     - name: "Build Unity Project"
       uses: act/unity/unity-project-cached-artifacts@master
       with: