fix(deps): update dependency webonyx/graphql-php to v15.29.3

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
webonyx/graphql-php	15.29.1 → 15.29.3

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Release Notes

webonyx/graphql-php (webonyx/graphql-php)

v15.29.3

Compare Source

Changed

• Remove pass-by-reference for $result in ReferenceExecutor #​1780

v15.29.2

Compare Source

Fixed

• Do not escape forward slashes in Printer::printDescription #​1824

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Configuration

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

🚦 Automerge: Enabled.

♻ 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]

⚠️ Artifact update problem

Renovate failed to update an artifact 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: api/composer.lock

Command failed: git stash pop || true
Too many revisions specified: '||' 'true'