ci: Bump actions/upload-artifact to v4 (#69)

Signed-off-by: Anush008 <anushshetty90@gmail.com>

Author: Anush008

.github/workflows/cd.yml

@@ -46,7 +46,7 @@ jobs:
           report_paths: '**/build/test-results/test/TEST-*.xml'
 
       - name: Upload Jars
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: QdrantJava
           path: build/libs