Merge branch 'fix_gitlab_ci' into 'VTM-11.0_nnvc'

Fix gitlab ci

See merge request jvet-ahg-nnvc/VVCSoftware_VTM!275

.gitlab-ci.yml

@@ -33,6 +33,11 @@ build_macos:
    tags:
       - macos
 
+build_macos_arm:
+   extends: .build_template
+   tags:
+      - macos-arm
+
 build_ubuntu2004:
    extends: .build_template_linux
    tags:
@@ -55,6 +60,13 @@ build_vc192x:
 
 flake8:
   stage: static-analysis
+  only:
+      refs:
+         - VTM-11.0_nnvc 
+         - merge_requests
+      variables:
+         - $CI_PROJECT_URL == 'https://vcgit.hhi.fraunhofer.de/jvet-ahg-nnvc/VVCSoftware_VTM'
+         - $CI_MERGE_REQUEST_TARGET_BRANCH_NAME == 'VTM-11.0_nnvc'
   script:
     - flake8 --version
     - flake8 training