chore(deps): update actions/checkout action to v4

.github/workflows/codacy-analysis.yml

@@ -29,7 +29,7 @@ jobs:
     steps:
       # Checkout the repository to the GitHub Actions runner
       - name: Checkout code
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
 
       # Execute Codacy Analysis CLI and generate a SARIF output with the security issues identified during the analysis
       - name: Run Codacy Analysis CLI

.github/workflows/codeql-analysis.yml

@@ -38,7 +38,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
 
       # Initializes the CodeQL tools for scanning.
       - name: Initialize CodeQL

.github/workflows/deploy.yml

@@ -16,7 +16,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - name: "Set up JDK"
         uses: actions/setup-java@v2
         with:
@@ -40,7 +40,7 @@ jobs:
     name: "Deploy Project (Central)"
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - name: "Set up JDK"
         uses: actions/setup-java@v2
         with:

.github/workflows/javadoc.yml

@@ -14,7 +14,7 @@ jobs:
     name: "Deploy Javadoc (Github Pages)"
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - name: "Set up JDK"
         uses: actions/setup-java@v2
         with:

.github/workflows/maven.yml

@@ -19,7 +19,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - name: "Set up JDK"
         uses: actions/setup-java@v2
         with: