Updated CI/CD config to only build if relevant files are updated

.gitlab-ci.yml

@@ -4,8 +4,10 @@ variables:
 build:
   image: docker:23.0.1
   stage: build
-  # services:
-  #   - docker:23.0.1-dind
+  rules:
+    - changes:
+      - Dockerfile
+      - scripts/**/*
   script:
     - docker buildx create --use default
     - docker login -u $CI_REGISTRY_USER -p $CI_REGISTRY_PASSWORD $CI_REGISTRY