ci: update to v4 actions

Author: silenium-dev

.github/workflows/web.yml

@@ -19,8 +19,8 @@ jobs:
         with:
           chrome-version: stable
         id: setup-chrome
-      - uses: actions/checkout@v2
-      - uses: actions/setup-java@v2
+      - uses: actions/checkout@v4
+      - uses: actions/setup-java@v4
         with:
           distribution: 'adopt'
           java-version: '11'
@@ -60,7 +60,7 @@ jobs:
           cd ./skiko
           source ./emsdk/emsdk_env.sh
           ./gradlew --stacktrace --info -Pskiko.wasm.enabled=true -Pskiko.js.enabled=true -Pskiko.test.onci=true jsTest
-      - uses: actions/upload-artifact@v2
+      - uses: actions/upload-artifact@v4
         if: always()
         with:
           name: test-reports-wasm