Use shallow React Native clones in CI

.github/workflows/build.yml

@@ -17,7 +17,13 @@ jobs:
           docker build -t react-native-community/react-native .
           docker run --rm --name rn-env react-native-community/react-native /bin/sh -c "npx envinfo"
       - name: Checkout React Native
-        run: git clone https://github.com/facebook/react-native.git
+        run: |
+          git clone \
+            --branch main \
+            --single-branch \
+            --depth 1 \
+            --no-tags \
+            https://github.com/facebook/react-native.git
       - name: Build React Native
         run: |
           docker run --rm --ulimit nofile=10240 -v "$(pwd)/scripts/":/scripts -v "$(pwd)/react-native/":/react-native -w /react-native react-native-community/react-native /bin/sh -c "/scripts/test-react-native-setup.sh"
@@ -32,7 +38,13 @@ jobs:
           docker build -t react-native-community/react-native .
           docker run --rm --name rn-env react-native-community/react-native /bin/sh -c "npx envinfo"
       - name: Checkout React Native
-        run: git clone https://github.com/facebook/react-native.git
+        run: |
+          git clone \
+            --branch main \
+            --single-branch \
+            --depth 1 \
+            --no-tags \
+            https://github.com/facebook/react-native.git
       - name: Create reports directory
         run: mkdir -p $(pwd)/fantom-reports
       - name: Run Fantom tests