Bump sass from 1.69.0 to 1.69.1 in /webapp

Bumps sass from 1.69.0 to 1.69.1.

Release notes

Sourced from sass's releases.

Dart Sass 1.69.1

To install Sass 1.69.1, download one of the packages below and add it to your PATH, or see the Sass website for full installation instructions.

Changes

• No user-visible changes.

See the full changelog for changes in earlier releases.

Changelog

Sourced from sass's changelog.

1.69.1

• No user-visible changes.

Commits

• 887c511 Cut another release (#2111)
• See full diff in compare view

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