Merge pull request #262 from torkelrogstad/patch-1

Update outdated Godoc link

README.md

@@ -1,5 +1,5 @@
 [![Test](https://github.com/eko/gocache/actions/workflows/all.yml/badge.svg?branch=master)](https://github.com/eko/gocache/actions/workflows/all.yml)
-[![GoDoc](https://godoc.org/github.com/eko/gocache?status.png)](https://godoc.org/github.com/eko/gocache)
+[![GoDoc](https://godoc.org/github.com/eko/gocache?status.png)](https://pkg.go.dev/github.com/eko/gocache/lib/v4)
 [![GoReportCard](https://goreportcard.com/badge/github.com/eko/gocache)](https://goreportcard.com/report/github.com/eko/gocache)
 [![codecov](https://codecov.io/gh/eko/gocache/branch/master/graph/badge.svg)](https://codecov.io/gh/eko/gocache)