Add `infrahubctl marketplace` CLI for fetching schemas and collections #2473

Job	Run time
prepare-environment / prepare	2s
Detect which file has changed	6s
python-lint	12s
markdown-lint	7s
yaml-lint	0s
action-lint	0s
uv-lock-check	0s
validate-documentation-style	5s
integration-tests-latest-infrahub	24m 49s
documentation	1m 32s
unit-tests (3.11)	1m 48s
unit-tests (3.12)	2m 16s
unit-tests (3.10)	1m 51s
unit-tests (3.13)	2m 49s
unit-tests (3.14)	2m 24s
validate-generated-documentation	2m 25s
	40m 26s

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