GitHub Actions: updated versions of used actions

.github/workflows/natives.yml

@@ -26,12 +26,12 @@ jobs:
         runs-on: ${{ matrix.os }}-latest
 
         steps:
-            - uses: actions/checkout@v3
+            - uses: actions/checkout@v4
 
             - uses: gradle/wrapper-validation-action@v1
 
             - name: Setup Java 11
-              uses: actions/setup-java@v3
+              uses: actions/setup-java@v4
               with:
                   java-version: 11
                   distribution: temurin
@@ -43,7 +43,7 @@ jobs:
               run: ./gradlew build-natives --no-daemon
 
             - name: Upload artifacts
-              uses: actions/upload-artifact@v3
+              uses: actions/upload-artifact@v4
               with:
                   name: FlatLaf-natives-build-artifacts-${{ matrix.os }}
                   path: |