support infrahub.yml or infrahub.yaml #1203

Job	Run time
Detect which file has changed	6s
prepare-environment / prepare	2s
python-lint	6s
action-lint	0s
markdown-lint	0s
yaml-lint	0s
validate-documentation-style	8s
validate-generated-documentation	48s
unit-tests (3.9)	1m 12s
unit-tests (3.10)	1m 28s
unit-tests (3.13)	4m 45s
unit-tests (3.12)	1m 38s
integration-tests-latest-infrahub	7m 47s
documentation	0s
unit-tests (3.11)	1m 25s
	19m 25s

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