Bump the production-dependencies group with 2 updates

[dependabot]

Bumps the production-dependencies group with 2 updates: postcss and browserslist.

Updates postcss from 8.5.16 to 8.5.18

Release notes

Sourced from postcss's releases.

8.5.18

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

8.5.17

• Fixed Maximum call stack size exceeded error.
• Fixed Prototype hijacking for postcss.fromJSON().
• Fixed Input#origin() for unmapped end position (by @​chatman-media).

Changelog

Sourced from postcss's changelog.

8.5.18

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

8.5.17

• Fixed Maximum call stack size exceeded error.
• Fixed Prototype hijacking for postcss.fromJSON().
• Fixed Input#origin() for unmapped end position (by @​chatman-media).

Commits

• 4c0d194 Release 8.5.18 version
• 92b4e78 Update dependencies
• 95663d3 Limit where source map can be loaded for security reasons
• 74e25ae Release 8.5.17 version
• d1518af Fix Maximum call stack size exceeded error
• 2421312 Fix linter
• a50352c Fix CI
• 33948f0 Prevent prototype hijacking in fromJSON
• 2131909 Update dependencies
• 93440ab Fix non-closed \<div align="center"> in README (#2110)
• Additional commits viewable in compare view

Updates browserslist from 4.28.4 to 4.28.6

Release notes

Sourced from browserslist's releases.

4.28.6

• Fixed Electron version queries (by @​spokodev).

4.28.5

• Fixed > and >= queries (by @​spokodev).

Changelog

Sourced from browserslist's changelog.

4.28.6

• Fixed Electron version queries (by @​spokodev).

4.28.5

• Fixed > and >= queries (by @​spokodev).

Commits

• 49b3d72 Release 4.28.6 version
• 0f90a94 Update dependencies
• e04414e Merge pull request #938 from spokodev/fix/electron-range-semver
• a2168f7 fix: compare Electron range bounds as semver
• 28bbe6b Release 4.28.5 version
• f012581 Merge pull request #937 from spokodev/fix/gt-upper-bound-version-range
• 47f8fc2 Update dependencies
• 73d926e fix: exclude joined range when querying above its upper bound
• 03ba4e2 Remove duplicate
• 1163800 Unify
• Additional commits viewable in compare view

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