fix(deps): update module github.com/alecthomas/chroma/v2 to v2.21.1

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
github.com/alecthomas/chroma/v2	v2.21.0 -> v2.21.1

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Release Notes

alecthomas/chroma (github.com/alecthomas/chroma/v2)

v2.21.1

Compare Source

Changelog

• 0fe6941 fix(styles): use kebab-case for style name in Aura Theme variants (#​1183)
• 2408917 chore(deps): update all non-major dependencies (#​1178)
• b527a28 Update lexer lox (#​1175)

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[github-actions]

➡️ Go test coverage stayed the same at 9.7% compared to 9e0edac

⚠️ 5 of 6 packages have zero coverage.

• github.com/Depado/smallblog
• github.com/Depado/smallblog/cmd
• github.com/Depado/smallblog/domain
• github.com/Depado/smallblog/filesystem
• github.com/Depado/smallblog/router

No change in coverage for any package.

View coverage for all packages

# Package Name                           | Coverage
- github.com/Depado/smallblog            |     0.0%
- github.com/Depado/smallblog/cmd        |     0.0%
- github.com/Depado/smallblog/domain     |     0.0%
- github.com/Depado/smallblog/filesystem |     0.0%
+ github.com/Depado/smallblog/models     |    23.7%
- github.com/Depado/smallblog/router     |     0.0%