Update dependency amphtml-validator to v1.0.38

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
amphtml-validator (source)	1.0.23 -> 1.0.38

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Release Notes

ampproject/amphtml (amphtml-validator)

### [`v1.0.38`](https://togithub.com/ampproject/amphtml/compare/31228f40fb4bf4d10d86c714dc4c29878353d82f...f23e9acd98e33498b9535f49afff7485dfde0f3d) [Compare Source](https://togithub.com/ampproject/amphtml/compare/31228f40fb4bf4d10d86c714dc4c29878353d82f...f23e9acd98e33498b9535f49afff7485dfde0f3d) ### [`v1.0.37`](https://togithub.com/ampproject/amphtml/compare/edc2b5f57aff232ba6971ca21141747cd16e52f0...31228f40fb4bf4d10d86c714dc4c29878353d82f) [Compare Source](https://togithub.com/ampproject/amphtml/compare/edc2b5f57aff232ba6971ca21141747cd16e52f0...31228f40fb4bf4d10d86c714dc4c29878353d82f)

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Configuration

📅 Schedule: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined).

🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.

♻ Rebasing: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about this update again.

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• [ ] If you want to rebase/retry this PR, check this box

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[renovate[bot]]

⚠ Artifact update problem

Renovate failed to update artifacts related to this branch. You probably do not want to merge this PR as-is.

♻ Renovate will retry this branch, including artifacts, only when one of the following happens:

• any of the package files in this branch needs updating, or
• the branch becomes conflicted, or
• you click the rebase/retry checkbox if found above, or
• you rename this PR's title to start with "rebase!" to trigger it manually

The artifact failure details are included below:

File name: amp-stories/package-lock.json

File name: amp-concert/package-lock.json