Aktualizace prostredi pro build

.gitlab-ci.yml

-image: docker:19.03.12
+image: docker:20.10.9
 
 variables:
   DOCKER_TLS_CERTDIR: "/certs"
-  IMAGE_VER: 3.26.5
+  IMAGE_VER: 3.27.22
 
 services:
-  - docker:19.03.12-dind
+  - docker:20.10.9-dind
 
 before_script:
   - docker login -u $CI_REGISTRY_USER -p $CI_REGISTRY_PASSWORD $CI_REGISTRY