feat(ci): update artifact naming in GitLab CI configuration

.gitlab-ci.yml

@@ -13,13 +13,14 @@ build:
     - mvn $MAVEN_CLI_OPTS clean package
     - BUILD_DATE=$(date -u +${DATE_FORMAT})
     - JAR_NAME="PrivateServerPlugin-${BUILD_DATE}.jar"
+    - mv target/PrivateServerPlugin.jar "${JAR_NAME}"
     - echo "BUILD_DATE=${BUILD_DATE}" > build.env
     - echo "JAR_NAME=${JAR_NAME}" >> build.env
     - echo "BUILD_JOB_ID=${CI_JOB_ID}" >> build.env
     - ls -l
   artifacts:
     paths:
-      - "target/PrivateServerPlugin.jar"
+      - "PrivateServerPlugin-*.jar"
     reports:
       dotenv: build.env
   rules: