feat: Add dry run flag to print support bundle specs to std out #3739

Job	Run time
run-examples	1m 7s
compile-supportbundle	3m 19s
compile-preflight	3m 19s
ensure-schemas-are-generated	4m 42s
test	5m 23s
test-integration	4m 31s
compile-collect	3m 47s
fail_if_pull_request_is_draft	0s
goreleaser-test (amd64, darwin)	3m 10s
goreleaser-test (amd64, linux)	3m 5s
goreleaser-test (amd64, windows)	2m 43s
goreleaser-test (arm64, darwin)	12s
goreleaser-test (arm64, linux)	2m 36s
goreleaser-test (arm64, windows)	7s
goreleaser-test (arm, linux)	3m 11s
validate-supportbundle	1m 33s
validate-supportbundle-e2e-go-test	5m 55s
validate-supportbundle-e2e	1m 1s
validate-preflight	36s
validate-preflight-e2e	1m 1s
goreleaser	0s
	51m 18s

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