Fix the CI and let dependabot update the actions

Author: dadoonet

.github/CODEOWNERS

@@ -0,0 +1,6 @@
+# This file is used to define the code owners for the repository.
+# Each line is a file pattern followed by one or more GitHub usernames or team names.
+# For more information, see https://docs.github.com/en/repositories/managing-your-repositorys-settings-and-features/customizing-your-repository/about-code-owners
+# The code owners will be automatically requested for review when someone makes changes to the files they own.
+# All the modified files will be reviewed by dadoonet.
+*       @dadoonet

.github/dependabot.yml

@@ -1,12 +1,21 @@
 version: 2
 updates:
-- package-ecosystem: maven
-  directory: "/"
-  schedule:
-    interval: daily
-    time: "04:00"
-  open-pull-requests-limit: 99
-  reviewers:
-    - "dadoonet"
-  assignees:
-    - "dadoonet"
+  # Enable version updates for Maven
+  - package-ecosystem: maven
+    directory: "/"
+    schedule:
+      interval: daily
+      time: "04:00"
+    open-pull-requests-limit: 99
+    assignees:
+      - dadoonet
+
+  # Maintain dependencies for GitHub Actions
+  - package-ecosystem: "github-actions"
+    directory: "/.github/workflows"
+    schedule:
+      interval: "daily"
+      time: "04:00"
+    open-pull-requests-limit: 99
+    assignees:
+      - dadoonet

.github/workflows/main.yml

@@ -8,7 +8,7 @@ jobs:
       packages: write
     steps:
       - name: Checkout code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           ref: ${{ github.head_ref }}
           token: ${{ secrets.PAT }}
@@ -17,7 +17,7 @@ jobs:
       - name: Update files if needed
         uses: stefanzweifel/git-auto-commit-action@v4
       - name: Set up JDK 17 and Maven Central Repository
-        uses: actions/setup-java@v2
+        uses: actions/setup-java@v4
         with:
           java-version: '17'
           distribution: 'adopt'