build(deps): bump github.com/yuin/goldmark from 1.3.5 to 1.3.7

Bumps [github.com/yuin/goldmark](https://github.com/yuin/goldmark) from 1.3.5 to 1.3.7.
- [Release notes](https://github.com/yuin/goldmark/releases)
- [Commits](yuin/goldmark@v1.3.5...v1.3.7)

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

go.mod

@@ -33,7 +33,7 @@ require (
 	github.com/uber/jaeger-client-go v2.28.0+incompatible
 	github.com/uber/jaeger-lib v2.4.0+incompatible // indirect
 	github.com/valyala/fasthttp v1.24.0
-	github.com/yuin/goldmark v1.3.5
+	github.com/yuin/goldmark v1.3.7
 	go.etcd.io/etcd v0.0.0-20201125193152-8a03d2e9614b
 	go.uber.org/zap v1.16.0
 	google.golang.org/grpc v1.37.0