ci: use actions/checkout to install V and examples in one go

.github/workflows/ci_emulator_run.yml

@@ -25,10 +25,14 @@ jobs:
         distribution: 'adopt'
         java-version: 8
 
-    - name: Install V
-      uses: vlang/[email protected]
+    - name: Checkout V
+      uses: actions/checkout@v4
       with:
-        check-latest: true
+        repository: vlang/v
+        path: v
+
+    - name: Build and install v
+      run: cd ./v && make -j4 && sudo ./v symlink
 
     - name: Checkout vab
       uses: actions/checkout@v4
@@ -96,9 +100,6 @@ jobs:
         #export ADB_TAGS="SOKOL_APP:D"
         #export ADB_TAGS="$ADB_TAGS V_ANDROID:D v_test_app:D"
 
-        echo "Installing V examples"
-        git clone --depth 1 https://github.com/vlang/v
-
         # Test deployment of single file *after* build
         echo "Testing vab deployment *after* build"
         vab --package-id "io.v.ci.vab.apk.deploytest" --name "V DEPLOY TEST APK" v/examples/gg/bezier.v && vab v_deploy_test_apk.apk