chore: initial work to bump oras-go to v2 (#1317) #3672

Job	Run time
test	4m 26s
test-integration	3m 57s
compile-collect	3m 5s
compile-preflight	3m 26s
compile-supportbundle	3m 8s
ensure-schemas-are-generated	4m 14s
run-examples	1m 7s
fail_if_pull_request_is_draft	3s
goreleaser-test (amd64, darwin)	2m 19s
goreleaser-test (amd64, linux)	2m 24s
goreleaser-test (amd64, windows)	2m 24s
goreleaser-test (arm64, darwin)	12s
goreleaser-test (arm64, linux)	2m 24s
goreleaser-test (arm64, windows)	13s
goreleaser-test (arm, linux)	2m 23s
validate-supportbundle-e2e	0s
validate-supportbundle	0s
validate-supportbundle-e2e-go-test	0s
validate-preflight	0s
validate-preflight-e2e	0s
goreleaser	0s
	35m 45s

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