Update .gitlab-ci.yml file

.gitlab-ci.yml

@@ -1,10 +1,9 @@
-# image: python:3.11.0-alpine
-
 stages:          # List of stages for jobs, and their order of execution
   - build
 
 build-job:       # This job runs in the build stage, which runs first.
   stage: build
+  image: python:3.11.0-alpine
   script:
     - echo "Compiling the code..."
     - pip install -U twine