[TASK] Update sass to v1.77.0

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
sass	1.76.0 -> 1.77.0

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Release Notes

sass/dart-sass (sass)

### [`v1.77.0`](https://togithub.com/sass/dart-sass/blob/HEAD/CHANGELOG.md#1770) [Compare Source](https://togithub.com/sass/dart-sass/compare/1.76.0...1.77.0) - *Don't* throw errors for at-rules in keyframe blocks.

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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 is behind base branch, 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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This PR has been generated by Mend Renovate. View repository job log here.

[renovate[bot]]

Branch automerge failure

This PR was configured for branch automerge. However, this is not possible, so it has been raised as a PR instead.

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• Branch has one or more failed status checks

[codeclimate[bot]]

Code Climate has analyzed commit 234f8da6 and detected 0 issues on this pull request.

The test coverage on the diff in this pull request is 100.0% (50% is the threshold).

This pull request will bring the total coverage in the repository to 91.2% (0.0% change).

View more on Code Climate.

[coveralls]

Pull Request Test Coverage Report for Build 8978223696

Details

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 91.224%

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Totals
Change from base Build 8963880094:	0.0%
Covered Lines:	1081
Relevant Lines:	1185

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💛 - Coveralls