Merge branch 'ko3n1g/ci/fix-h100-label' into 'main'

ci: Fix H100 label

See merge request ADLR/megatron-lm!2028

Author: ko3n1g

.gitlab/stages/02.functional-tests.yml

@@ -25,10 +25,8 @@ jet-configure:
   script:
     - set -x
     - |
-      if [[ "$FUNCTIONAL_TEST_CLUSTER" == "" && "$CI_MERGE_REQUEST_LABELS" == "*H100*" ]]; then
+      if [[ "$CI_PIPELINE_SOURCE" == "merge_request_event" && "$CI_MERGE_REQUEST_LABELS" == "*H100*" ]]; then
         FUNCTIONAL_TEST_CLUSTER=$DEFAULT_H100_CLUSTER
-      elif [[ "$FUNCTIONAL_TEST_CLUSTER" == "" ]]; then
-        FUNCTIONAL_TEST_CLUSTER=$DEFAULT_A100_CLUSTER
       fi
     - |
       JET_CUSTOM_FILTER="type == 'basic'"