Actions: upgrade linux run env

.github/workflows/main.yml

@@ -18,17 +18,17 @@ jobs:
     # The type of runner that the job will run on
     runs-on: ubuntu-latest
 
-    # Steps represent a sequence of tasks that will be executed as part of the job
     steps:
-      # Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v6
         with:
           submodules: true
 
       - name: Set up JDK
-        uses: actions/setup-java@v1
+        uses: actions/setup-java@v5
         with:
-          java-version: 17
+          java-version: '17'
+          distribution: 'temurin'
+          cache: 'gradle'
 
       - name: apt
         run: sudo apt install device-tree-compiler p7zip-full android-sdk-libsparse-utils erofs-utils