chore(deps): update module github.com/hugomods/decap-cms to v0.15.1

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
github.com/hugomods/decap-cms	v0.15.0 -> v0.15.1

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Release Notes

hugomods/decap-cms (github.com/hugomods/decap-cms)

### [`v0.15.1`](https://togithub.com/hugomods/decap-cms/releases/tag/v0.15.1) [Compare Source](https://togithub.com/hugomods/decap-cms/compare/v0.15.0...v0.15.1) ##### Continuous Integration - **deps:** bump decap-cms to 3.3.2 ([552a7fe](https://togithub.com/hugomods/decap-cms/commit/552a7fe527c3853758e07033777b9ae08211d920))

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Configuration

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♻ 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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