Bump actions/checkout from 3 to 4 (#143)

Pull request: #143

Author: dependabot[bot]

.github/workflows/actions.yml

@@ -17,7 +17,7 @@ jobs:
       matrix:
         java: ['8', '17']
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: actions/setup-java@v3
         with:
           distribution: 'temurin'
@@ -28,7 +28,7 @@ jobs:
   check-binary-compatibility:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           fetch-depth: 0
       - uses: actions/setup-java@v3
@@ -51,7 +51,7 @@ jobs:
       LC_MESSAGES: "en_US.UTF-8"
       LC_ALL: "en_US.UTF-8"
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: actions/setup-java@v3
         with:
           distribution: 'temurin'