Draft: feat: migration EF runner

Migration Docs project to Eclipse foundation Gitlab runner.

Top issue: eclipse-wg/oniro-wg/products-services-oniro-wg/it-services-oniro-wg/pipelines-architecture-oniro-wg#5 (closed)

Related issues:

• Oniro Migration : build docker image with kaniko! (root user at EF) eclipse-wg/oniro-wg/products-services-oniro-wg/it-services-oniro-wg/pipelines-architecture-oniro-wg#10 (closed)
• Docs migration: Project/Group tokens usage: eclipse-wg/oniro-wg/products-services-oniro-wg/it-services-oniro-wg/pipelines-architecture-oniro-wg#38 (closed)

Signed-off-by: sebastien.heurtematte sebastien.heurtematte@eclipse-foundation.org

.gitlab-ci.yml

@@ -57,7 +57,7 @@ reuse:
 .oniro-repo-workspace:
   interruptible: true
   image:
-    name: registry.ostc-eu.org/ostc/oniro/bitbake-builder:latest
+    name: docker.io/onirocore/bitbake-builder:latest
   variables:
     # URL and branch or revision of the oniro.git repository which contains a
     # repo manifest file.
@@ -193,7 +193,7 @@ build-docs:
   extends: [.oniro-repo-workspace]
   interruptible: true
   image:
-    name: registry.ostc-eu.org/ostc/oniro/docs-builder:latest
+    name: docker.io/onirocore/docs-builder:latest
   script:
     - make -C docs
     - mv docs/build "$CI_PROJECT_DIR"
@@ -241,7 +241,7 @@ build-docs:
 deploy:
   extends: .oniro-repo-workspace
   image:
-    name: registry.ostc-eu.org/ostc/oniro/docs-builder:latest
+    name: docker.io/onirocore/docs-builder:latest
   stage: deploy
   script:
     # We are in the root of the git-repo workspace. Because