ci: Bump the npm_and_yarn group across 1 directory with 2 updates

[dependabot]

Bumps the npm_and_yarn group with 2 updates in the /engine/web directory: js-yaml and postcss.

Updates js-yaml from 4.3.0 to 4.3.1

Changelog

Sourced from js-yaml's changelog.

4.3.1 - 2026-07-31

Security

• [backport] Remove quadratic complexity from !!omap duplicate key detection.

Commits

• 86e91b8 4.3.1 released
• c3cc4b0 Backport quadratic complexity fix for !!omap
• See full diff in compare view

Updates postcss from 8.5.17 to 8.5.26

Release notes

Sourced from postcss's releases.

8.5.26

• Fixed list.split() regression (by @​lazerg).
• Track symlinks in path protection in source map loading (by @​drengir1).

8.5.25

• Fixed 8.5.17 visitor regression.
• Fixed list.split() for non-string values (by @​amir-rezaei).

8.5.24

• Preserve the BOM after the processing (by @​hdimer).

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).

8.5.18

• Restricted loading previous source maps file to the opts.from folder for security reasons (use unsafeMap: true to disable the check).

Changelog

Sourced from postcss's changelog.

8.5.26

• Fixed list.split() regression (by @​lazerg).
• Track symlinks in path protection in source map loading (by @​drengir1).

8.5.25

• Fixed 8.5.17 visitor regression.
• Fixed list.split() for non-string values (by @​amir-rezaei).

8.5.24

• Preserve the BOM after the processing (by @​hdimer).

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).

8.5.18

• Restricted loading previous source maps file to the opts.from folder for security reasons (use unsafeMap: true to disable the check).

Commits

• 07b2577 Release 8.5.26 version
• 47de6b9 Update CI
• 1493a83 Fix Rule#selectors losing the empty selector (#2129)
• 180db16 Typo
• 29e9e00 Resolve symlinks before the previous-source-map containment check (#2125)
• 3ba8f84 Update dependencies
• 87e72f6 Update lock file
• caaeeb9 Upgrade nanoid to fix infinite loop on zero size (#2124)
• 3609b6f Explain how to type plugin options
• fbad419 docs: show ESM and TypeScript plugin declaration (#2118)
• Additional commits viewable in compare view

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