Bump Go support to 1.21.x

README.md

@@ -2,10 +2,7 @@
 
 ![GitHub go.mod Go version](https://img.shields.io/github/go-mod/go-version/mvdkleijn/go-simplequeue?style=for-the-badge)
 [![Codacy grade](https://img.shields.io/codacy/grade/b82db1a4bee14f84bfeaf858e5907f5c?style=for-the-badge)](https://app.codacy.com/gh/mvdkleijn/go-simplequeue)
-[![Go Report Card](https://goreportcard.com/badge/github.com/mvdkleijn/go-simplequeue?style=for-the-badge)](https://goreportcard.com/report/github.com/mvdkleijn/go-simplequeue)
-![Liberapay patrons](https://img.shields.io/liberapay/patrons/mvdkleijn?style=for-the-badge)
-
-[![ko-fi](https://ko-fi.com/img/githubbutton_sm.svg)](https://ko-fi.com/O4O7H6C73)
+[![Go Report Card](https://goreportcard.com/badge/github.com/mvdkleijn/go-simplequeue?style=for-the-badge)](https://goreportcard.com/report/github.com/mvdkleijn/go-simplequeue) [![Liberapay patrons](https://img.shields.io/liberapay/patrons/mvdkleijn?style=for-the-badge)](https://liberapay.com/mvdkleijn/) [![ko-fi](https://ko-fi.com/img/githubbutton_sm.svg)](https://ko-fi.com/O4O7H6C73)
 
 Simple locking queue system with workers.
 
@@ -16,6 +13,7 @@ Also see: <https://pkg.go.dev/github.com/mvdkleijn/go-simplequeue>
 - Go versions, see: https://endoflife.date/go
 
 Source code and issues: https://github.com/mvdkleijn/go-simplequeue
+Also see: https://vanderkleijn.net/posts/announcing-go-simplequeue/
 
 
 ## Usage / Example

go.mod

@@ -1,6 +1,6 @@
 module github.com/mvdkleijn/go-simplequeue
 
-go 1.19
+go 1.21
 
 require github.com/stretchr/testify v1.8.4