Merge branch 'ci-templates-maintainer-marcel' into 'master'

Add Marcel as a CI template codeowner

See merge request gitlab-org/gitlab!68616

.gitlab/CODEOWNERS

@@ -201,7 +201,7 @@ Dangerfile @gl-quality/eng-prod
 /lib/gitlab/auth/ldap/ @dblessing @mkozono
 
 [Templates]
-/lib/gitlab/ci/templates/ @nolith @shinya.maeda @matteeyah
+/lib/gitlab/ci/templates/ @gitlab-org/maintainers/cicd-templates
 /lib/gitlab/ci/templates/Auto-DevOps.gitlab-ci.yml @DylanGriffith @mayra-cabrera @tkuah
 /lib/gitlab/ci/templates/Security/ @gonzoyumo @twoodham @sethgitlab @thiagocsf
 /lib/gitlab/ci/templates/Security/Container-Scanning.*.yml @gitlab-org/protect/container-security-backend