Bump GitHob workflow action versions

Author: travkin79

.github/workflows/ci.yml

@@ -48,7 +48,7 @@ jobs:
 
     - name: Upload compiled classes
       if: matrix.os == 'ubuntu-latest'
-      uses: actions/upload-artifact@v4
+      uses: actions/upload-artifact@v7
       with:
         name: build-classes
         path: '**/target/classes'
@@ -78,7 +78,7 @@ jobs:
         cache: maven
 
     - name: Download compiled classes
-      uses: actions/download-artifact@v4
+      uses: actions/download-artifact@v8
       with:
         name: build-classes