Update README to reflect go.mod update to 1.22

Author: markdingo

README.md

@@ -39,7 +39,7 @@ package achieves similar functionality within commands written in go.
 [![Go Report Card](https://goreportcard.com/badge/github.com/markdingo/parallel)](https://goreportcard.com/report/github.com/markdingo/parallel)
 [![Go Reference](https://pkg.go.dev/badge/github.com/markdingo/parallel.svg)](https://pkg.go.dev/github.com/markdingo/parallel)
 
-`parallel` is known to compile and run on go versions 1.20 and beyond.
+`parallel` is known to compile and run on go versions 1.22 and beyond.
 
 ## Background