build(deps): bump github.com/alecthomas/chroma/v2 from 2.7.0 to 2.8.0

Bumps [github.com/alecthomas/chroma/v2](https://github.com/alecthomas/chroma) from 2.7.0 to 2.8.0.
- [Release notes](https://github.com/alecthomas/chroma/releases)
- [Changelog](https://github.com/alecthomas/chroma/blob/master/.goreleaser.yml)
- [Commits](alecthomas/chroma@v2.7.0...v2.8.0)

---
updated-dependencies:
- dependency-name: github.com/alecthomas/chroma/v2
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

go.mod

@@ -3,7 +3,7 @@ module github.com/gohugoio/hugo
 require (
 	github.com/BurntSushi/locker v0.0.0-20171006230638-a6e239ea1c69
 	github.com/PuerkitoBio/purell v1.1.1
-	github.com/alecthomas/chroma/v2 v2.7.0
+	github.com/alecthomas/chroma/v2 v2.8.0
 	github.com/armon/go-radix v1.0.0
 	github.com/aws/aws-sdk-go v1.43.5
 	github.com/bep/clock v0.3.0

go.sum

@@ -126,8 +126,8 @@ github.com/PuerkitoBio/purell v1.1.1/go.mod h1:c11w/QuzBsJSee3cPx9rAFu61PvFxuPbt
 github.com/PuerkitoBio/urlesc v0.0.0-20170810143723-de5bf2ad4578 h1:d+Bc7a5rLufV/sSk/8dngufqelfh6jnri85riMAaF/M=
 github.com/PuerkitoBio/urlesc v0.0.0-20170810143723-de5bf2ad4578/go.mod h1:uGdkoq3SwY9Y+13GIhn11/XLaGBb4BfwItxLd5jeuXE=
 github.com/alecthomas/assert/v2 v2.2.1 h1:XivOgYcduV98QCahG8T5XTezV5bylXe+lBxLG2K2ink=
-github.com/alecthomas/chroma/v2 v2.7.0 h1:hm1rY6c/Ob4eGclpQ7X/A3yhqBOZNUTk9q+yhyLIViI=
-github.com/alecthomas/chroma/v2 v2.7.0/go.mod h1:yrkMI9807G1ROx13fhe1v6PN2DDeaR73L3d+1nmYQtw=
+github.com/alecthomas/chroma/v2 v2.8.0 h1:w9WJUjFFmHHB2e8mRpL9jjy3alYDlU0QLDezj1xE264=
+github.com/alecthomas/chroma/v2 v2.8.0/go.mod h1:yrkMI9807G1ROx13fhe1v6PN2DDeaR73L3d+1nmYQtw=
 github.com/alecthomas/repr v0.2.0 h1:HAzS41CIzNW5syS8Mf9UwXhNH1J9aix/BvDRf1Ml2Yk=
 github.com/antihax/optional v1.0.0/go.mod h1:uupD/76wgC+ih3iEmQUL+0Ugr19nfwCT1kdvxnR2qWY=
 github.com/armon/go-radix v1.0.0 h1:F4z6KzEeeQIMeLFa97iZU6vupzoecKdU5TX24SNppXI=