Update go-enry to v2.8.0 (#18993)

- It was reported in the Matrix channel that Chroma [has support](d402102976)
for the Fennel language, go-enry only added detection support for this
[in v2.7.2](0affa3ccca).

Co-authored-by: techknowlogick <techknowlogick@gitea.io>

go.mod

@@ -39,7 +39,7 @@ require (
 	github.com/go-asn1-ber/asn1-ber v1.5.3 // indirect
 	github.com/go-chi/chi/v5 v5.0.4
 	github.com/go-chi/cors v1.2.0
-	github.com/go-enry/go-enry/v2 v2.7.1
+	github.com/go-enry/go-enry/v2 v2.8.0
 	github.com/go-git/go-billy/v5 v5.3.1
 	github.com/go-git/go-git/v5 v5.4.3-0.20210630082519-b4368b2a2ca4
 	github.com/go-ldap/ldap/v3 v3.3.0