try to use new runners for gitlab CI (fastmachinelearning#879)

* try to use new runners for gitlab CI

* test trigger

* test trigger2

* update pytest/ci-template.yml

Author: jmitrevs

.gitlab-ci.yml

@@ -7,7 +7,7 @@ generator:
   stage: generate
   image: python:3.8-alpine
   tags:
-    - docker
+    - k8s-default
   before_script:
     - pip install pyyaml
   script:

test/pytest/ci-template.yml

@@ -2,7 +2,7 @@
   stage: test
   image: gitlab-registry.cern.ch/fastmachinelearning/hls4ml-testing:0.4.base
   tags:
-    - docker
+    - k8s-default
   before_script:
     - source ~/.bashrc
     - if [ $EXAMPLEMODEL == 1 ]; then git submodule init; git submodule update; fi