chore(deps): update docker docker tag to v26

This MR contains the following updates:

Package	Type	Update	Change
docker	service-image	major	18.09-dind -> 26.0-dind
docker	image	major	18.09 -> 26.0

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.gitlab-ci.yml

@@ -28,9 +28,9 @@ build-test:
     - merge_requests
 
 build-push:
-  image: docker:18.09
+  image: docker:26.0
   services:
-    - docker:18.09-dind
+    - docker:26.0-dind
   stage: build-push
   only:
     - master