updates actions/cache package

Author: gustaavik

.github/workflows/test-application.yml

@@ -11,7 +11,7 @@ jobs:
 
     steps:
     - name: Checkout code
-      uses: actions/checkout@v2
+      uses: actions/checkout@v4
 
     - name: Set up JDK 21
       uses: actions/setup-java@v4
@@ -20,7 +20,7 @@ jobs:
         distribution: 'temurin'
 
     - name: Cache Maven packages
-      uses: actions/cache@v2
+      uses: actions/cache@v4
       with:
         path: ~/.m2/repository
         key: ${{ runner.os }}-maven-${{ hashFiles('**/pom.xml') }}