Update maven.yml--Build-artifact

Author: vikal190

.github/workflows/maven.yml

@@ -33,3 +33,8 @@ jobs:
     # Optional: Uploads the full dependency graph to GitHub to improve the quality of Dependabot alerts this repository can receive
     #name: Update dependency graph
     #uses: advanced-security/maven-dependency-submission-action@571e99aab1055c2e71a1e2309b9691de18d6b7d6
+    -name: Upload a Build Artifact
+    users: actions/upload-artifact@v4
+    with:
+     name: addressbook-war
+     path: target/addressbook.war