Update WF

Author: k163377

.github/workflows/main.yml

@@ -19,7 +19,7 @@ on:
 
 permissions:
   contents: read
-  
+
 jobs:
   build:
     runs-on: ${{ matrix.os }}
@@ -28,14 +28,14 @@ jobs:
       matrix:
         java_version: ['8', '11', '17', '21']
         # kotlin-reflect 1.8.2x has a bug and some tests fail, so we are downgrading to 1.8.10.
-        kotlin_version: ['1.7.22', '1.8.10', '1.9.22', '2.0.0-Beta2']
+        kotlin_version: ['1.7.22', '1.8.10', '1.9.22', '2.0.0-Beta3']
         os: ['ubuntu-20.04']
     env:
       JAVA_OPTS: "-XX:+TieredCompilation -XX:TieredStopAtLevel=1"
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: Set up JDK
-      uses: actions/setup-java@v3
+      uses: actions/setup-java@v4
       with:
         distribution: 'temurin'
         java-version: ${{ matrix.java_version }}