Bump actions/checkout from 2.4.0 to 3

.github/workflows/java_ci.yml

@@ -15,7 +15,7 @@ jobs:
       fail-fast: false
     steps:
       - name: 📤 Checkout Repository
-        uses: actions/checkout@v2.4.0
+        uses: actions/checkout@v3
 
       - name: ☕ Install Java
         uses: actions/setup-java@v3
@@ -36,7 +36,7 @@ jobs:
     if: github.event_name == 'pull_request' || github.actor != 'dependabot[bot]'
     steps:
       - name: 📤 Checkout Repository
-        uses: actions/checkout@v2.4.0
+        uses: actions/checkout@v3
 
       - name: 📚 Install CodeQL
         uses: github/codeql-action/init@v1
@@ -92,7 +92,7 @@ jobs:
 
     steps:
       - name: 📤 Checkout Repository
-        uses: actions/checkout@v2.4.0
+        uses: actions/checkout@v3
 
       - name: ☕ Install Java
         uses: actions/setup-java@v3

.github/workflows/sample_jcore_false.yml

@@ -14,7 +14,7 @@ jobs:
       enable_jcore: false
     steps:
       - name: 📤 Checkout Repository
-        uses: actions/checkout@v2.4.0
+        uses: actions/checkout@v3
 
       - name: ☕ Install Java
         uses: actions/setup-java@v3

.github/workflows/sample_jcore_true.yml

@@ -14,7 +14,7 @@ jobs:
       enable_jcore: true
     steps:
       - name: 📤 Checkout Repository
-        uses: actions/checkout@v2.4.0
+        uses: actions/checkout@v3
 
       - name: ☕ Install Java
         uses: actions/setup-java@v3