chore: initial work to bump oras-go to v2 (#1317) #3863

Job	Run time
ensure-schemas-are-generated	58s
compile-collect	2m 55s
compile-supportbundle	2m 59s
compile-preflight	3m 36s
fail_if_pull_request_is_draft	1s
run-examples	1m 12s
goreleaser-test (amd64, darwin)	1m 45s
test	1m 29s
goreleaser-test (amd64, linux)	1m 36s
test-integration	2m 24s
goreleaser-test (amd64, windows)	1m 38s
goreleaser-test (arm64, darwin)	6s
goreleaser-test (arm64, linux)	1m 42s
goreleaser-test (arm64, windows)	11s
goreleaser-test (arm, linux)	1m 40s
goreleaser-test (riscv64, linux)	1m 38s
validate-supportbundle-e2e	0s
validate-supportbundle-e2e-go-test	0s
validate-supportbundle	0s
validate-preflight-e2e	0s
validate-preflight	0s
goreleaser	0s
	25m 50s

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