Fix build status in readme

Author: lkarlslund

readme.MD

@@ -4,7 +4,7 @@
 
 Looks for enabled normal user accounts. No Windows audit logs generated. High speed ~ up to 10K/sec - go beyond 25K/sec with multiple servers!
 
-[![GitHub all releases](https://img.shields.io/github/downloads/lkarlslund/ldapnomnom/total)](https://github.com/lkarlslund/ldapnomnom/releases) ![GitHub Workflow Status](https://img.shields.io/github/workflow/status/lkarlslund/ldapnomnom/Build%20and%20publish%20pre-release)
+[![GitHub all releases](https://img.shields.io/github/downloads/lkarlslund/ldapnomnom/total)](https://github.com/lkarlslund/ldapnomnom/releases) ![GitHub Workflow Status](https://img.shields.io/github/actions/workflow/status/lkarlslund/ldapnomnom/prerelease.yml?branch=main)
 
 - Tries to autodetect DC from environment variables on domain joined machines or falls back to machine hostname FQDN DNS suffix
 - Reads usernames to test from stdin (default) or file