chore: switch CI to Docker socket binding and add artefact version parameter

Replace DinD services with unix:///var/run/docker.sock socket binding to
fix "Cannot connect to Docker daemon" errors. Add -PartefactVersion
parameter to Gradle build for release version tracking.

.gitlab-ci.yml

@@ -2,6 +2,7 @@ variables:
   REGISTRY: registry.onixbyte.cn
   IMAGE_NAME: delta-force-guide
   GRADLE_OPTS: -Dorg.gradle.daemon=false
+  DOCKER_HOST: unix:///var/run/docker.sock
 
 stages:
   - build
@@ -19,7 +20,7 @@ build:
   before_script:
     - chmod +x gradlew
   script:
-    - ./gradlew bootJar -x test
+    - ./gradlew bootJar -x test -PartefactVersion="$CI_COMMIT_TAG"
   artifacts:
     paths:
       - build/libs/*.jar
@@ -30,8 +31,6 @@ build:
 package:
   stage: package
   image: docker:27
-  services:
-    - docker:27-dind
   needs:
     - build
   script:
@@ -49,8 +48,6 @@ package:
 deploy:
   stage: deploy
   image: docker:27
-  services:
-    - docker:27-dind
   needs:
     - package
   script: