Bump github.com/dreampuf/mermaid.go from 0.0.20 to 0.0.21

Bumps [github.com/dreampuf/mermaid.go](https://github.com/dreampuf/mermaid.go) from 0.0.20 to 0.0.21.
- [Release notes](https://github.com/dreampuf/mermaid.go/releases)
- [Commits](dreampuf/mermaid.go@v0.0.20...v0.0.21)

---
updated-dependencies:
- dependency-name: github.com/dreampuf/mermaid.go
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

go.mod

@@ -4,7 +4,7 @@ go 1.23
 
 require (
 	github.com/bmatcuk/doublestar/v4 v4.7.1
-	github.com/dreampuf/mermaid.go v0.0.20
+	github.com/dreampuf/mermaid.go v0.0.21
 	github.com/kovetskiy/gopencils v0.0.0-20240830111426-6b65e95c9cb0
 	github.com/kovetskiy/lorg v1.2.1-0.20240830111423-ba4fe8b6f7c4
 	github.com/reconquest/karma-go v1.5.0

go.sum

@@ -13,8 +13,8 @@ github.com/cpuguy83/go-md2man/v2 v2.0.5/go.mod h1:tgQtvFlXSQOSOSIRvRPT7W67SCa46t
 github.com/creack/pty v1.1.9/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ33E=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
-github.com/dreampuf/mermaid.go v0.0.20 h1:a0VpnZUoCDco7fRpFF2J+7tx2sYWK5VMV5yuSzsYDgA=
-github.com/dreampuf/mermaid.go v0.0.20/go.mod h1:xT7lC6+LL334PeARmvQ6+2xgRRhVAA78qOm3zC5s2Y8=
+github.com/dreampuf/mermaid.go v0.0.21 h1:6Lqa1XRYOg0ycJAK85QkMA/lPmz31kupK2Gj6a8yXTs=
+github.com/dreampuf/mermaid.go v0.0.21/go.mod h1:xT7lC6+LL334PeARmvQ6+2xgRRhVAA78qOm3zC5s2Y8=
 github.com/gobwas/httphead v0.1.0 h1:exrUm0f4YX0L7EBwZHuCF4GDp8aJfVeBrlLQrs6NqWU=
 github.com/gobwas/httphead v0.1.0/go.mod h1:O/RXo79gxV8G+RqlR/otEwx4Q36zl9rqC5u12GKvMCM=
 github.com/gobwas/pool v0.2.1 h1:xfeeEhW7pwmX8nuLVlqbzVc7udMDrwetjEv+TZIz1og=