[v0.10] cherry-picks#1501

Merged

tonistiigi merged 6 commits intodocker:v0.10from

tonistiigi:v0.10-picks

Jan 10, 2023

Commits on Jan 9, 2023

github: update CI to buildkit v0.11
tonistiigi
committed
inspect: break after first matching attestation

jedevc
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tonistiigi
committed
inspect: parse sbom and provenance into json structs

jedevc
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tonistiigi
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inspect: provide access to multiple spdx documents

jedevc
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tonistiigi
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inspect: change additional spdxs to not have duplicates

jedevc
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tonistiigi
committed
docs: update with new inspect output

jedevc
authored and
tonistiigi
committed