Enhance ci env #173

Job	Run time
kserve-image-build	6m 19s
poetry-check	21s
explainer-runtime-build	3m 19s
graph-tests-images-build	2m 22s
predictor-runtime-build	9m 36s
test-with-helm	10m 22s
test-predictor	27m 6s
test-graph	21m 29s
test-path-based-routing	18m 41s
test-kourier	13m 20s
test-qpext	11m 5s
test-raw	14m 56s
test-transformer-explainer-mms	22m 49s
	2h 41m 45s

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