build(deps-dev): bump postcss from 8.5.18 to 8.5.23

[dependabot]

Bumps postcss from 8.5.18 to 8.5.23.

Release notes

Sourced from postcss's releases.

8.5.23

• Do not load source map without opts.from for security reasons.

8.5.22

• Fixed custom property losing semicolon before a comment (by @​sarathfrancis90).

8.5.21

• Fixed childless at-rule losing semicolon before comment (by @​sarathfrancis90).
• Fixed docs (by @​isker).

8.5.20

• Fixed missing space if AtRule#params is set after (by @​sarathfrancis90).
• Fixed mixing AST error on warnings (by @​MahinAnowar).

8.5.19

• Fixed cleaning before for new nodes inserted to Root (by @​MahinAnowar).

Changelog

Sourced from postcss's changelog.

8.5.23

• Do not load source map without opts.from for security reasons.

8.5.22

• Fixed custom property losing semicolon before a comment (by @​sarathfrancis90).

8.5.21

• Fixed childless at-rule losing semicolon before comment (by @​sarathfrancis90).
• Fixed docs (by @​isker).

8.5.20

• Fixed missing space if AtRule#params is set after (by @​sarathfrancis90).
• Fixed mixing AST error on warnings (by @​MahinAnowar).

8.5.19

• Fixed cleaning before for new nodes inserted to Root (by @​MahinAnowar).

Commits

• eb9e1fe Release 8.5.23 version
• 9d19c78 Update dependencies
• 7beca13 Does no load source map file without opts.from
• decea51 Typo
• c18e30d Update EM banner
• 98a39ad Update EM banner
• a3e48c4 Release 8.5.22 version
• f49d691 Fix custom property losing its semicolon before a comment (#2117)
• 28e0daf Release 8.5.21 version
• 3d2b4e4 Update dependencies
• Additional commits viewable in compare view

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[Copilot]

Pull request overview

This PR updates the project’s dev dependency on postcss to 8.5.23, aligning the lockfile to the new resolved versions (including the transitive nanoid requirement update) to keep the build/tooling dependency set current and consistent.

Changes:

• Bump postcss devDependency from 8.5.18 to 8.5.23.
• Update yarn.lock to reflect the new postcss resolution and its updated transitive dependency constraints (e.g., nanoid).

Reviewed changes

Copilot reviewed 1 out of 2 changed files in this pull request and generated no comments.

File	Description
package.json	Updates postcss devDependency version to 8.5.23.
yarn.lock	Updates the resolved postcss entry to 8.5.23 and aligns transitive dependency entries (notably nanoid).

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