Update dependency @fullhuman/postcss-purgecss to v1.3.0

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
@fullhuman/postcss-purgecss (source)	1.2.0 -> 1.3.0

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Release Notes

FullHuman/purgecss (@​fullhuman/postcss-purgecss)

v1.3.0

Compare Source

• Merged #​183, adding defaultExtractor option
• remove ignore comment once purged, issue #​121

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Configuration

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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
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The artifact failure details are included below:

File name: package-lock.json

Error response from daemon: toomanyrequests: You have reached your pull rate limit. You may increase the limit by authenticating and upgrading: https://www.docker.com/increase-rate-limit