use checkout v3 and remove separate checkout submodules step

.github/workflows/build.yml

@@ -33,7 +33,9 @@ jobs:
       run: sudo chmod 2777 /tmp/boxc_test_storage
 
     - name: Checkout repository
-      uses: actions/checkout@v2
+      uses: actions/checkout@v3
+      with:
+        submodules: 'recursive'
 
     - name: Get Container ID of fedora service
       id: get_container_id
@@ -58,9 +60,6 @@ jobs:
       run: |
         docker run -v /tmp/solr-config:/solr_config -d --rm -p 48983:8983 solr:9 solr-precreate access /solr_config/access
 
-    - name: Checkout submodules
-      run: git submodule update --init --recursive
-
     - name: Set up JDK 11
       uses: actions/setup-java@v1
       with: