Update github actions.

Author: leMaik

.github/workflows/plugin_build.yml

@@ -12,9 +12,9 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - name: Setup JDK 17
-        uses: actions/setup-java@v2
+        uses: actions/setup-java@v4
         with:
           distribution: 'temurin'
           java-version: '17'
@@ -27,7 +27,7 @@ jobs:
         run: ./gradlew pluginJar
 
       - name: Upload the plugin Jar
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: ChunkyDenoiser
           path: build/libs/*.jar