feat(commerce/consumer/procurement): Consumer Procurement API v1 (#8327)

- [ ] Regenerate this pull request now.

fix: correct csharp, php, and ruby package namespaces for order.proto
PiperOrigin-RevId: 551246266

Source-Link: https://togithub.com/googleapis/googleapis/commit/c87770defa330e8a09838cdeee1c35db12b1ddfd

Source-Link: https://togithub.com/googleapis/googleapis-gen/commit/26b976ee3f9eaa7b2e5d5ecd809ec4314f90df66
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feat(cloudbuild/apiv1): Add automap_substitutions flag to use substitutions as envs in Cloud Build
PiperOrigin-RevId: 551218480

Source-Link: https://togithub.com/googleapis/googleapis/commit/f823915dea96078aa7961417f4bb5b4c080bfef3

Source-Link: https://togithub.com/googleapis/googleapis-gen/commit/5979eecd8d2b0fc158fe7152a4da43ced2929780
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docs(pubsub): clarified where ordering_key will be written if write_metadata is set
PiperOrigin-RevId: 551210991

Source-Link: https://togithub.com/googleapis/googleapis/commit/7c762d770a82da397956b80379a6fb73505835af

Source-Link: https://togithub.com/googleapis/googleapis-gen/commit/15fe4c5ff5ebd52911b429b05b992e232f53351e
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feat(confidentialcomputing): Added support for signed container image and custom audience and nonce requests
New fields have been incorporated into the VerifyAttestationRequest proto message to accommodate two additional features: signed container image and custom audience and nonce.

PiperOrigin-RevId: 551026956

Source-Link: https://togithub.com/googleapis/googleapis/commit/a31b53e9238b972c0a9b00a5f22e95ffeeb88244

Source-Link: https://togithub.com/googleapis/googleapis-gen/commit/640cd434fc3b469bbc236fc4d5251b696b1801b6
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