update badge url as per badges/shields#8671 (#322)

README.md

@@ -5,7 +5,7 @@ OctoSQL is predominantly a CLI tool which lets you query a plethora of databases
 
 At the same time it's an easily extensible full-blown dataflow engine, and you can use it to add a SQL interface to your own applications.
 
-[![GitHub](https://shields.io/github/workflow/status/cube2222/octosql/Unit%20Tests/main)](https://github.com/cube2222/octosql/actions/workflows/test.yml?query=branch%3Amain)
+[![GitHub](https://shields.io/github/actions/workflow/status/cube2222/octosql/test.yml?branch=main)](https://github.com/cube2222/octosql/actions/workflows/test.yml?query=branch%3Amain)
 [![Go Report Card](https://goreportcard.com/badge/github.com/cube2222/octosql)](https://goreportcard.com/report/github.com/cube2222/octosql)
 [![GoDoc](https://godoc.org/github.com/cube2222/octosql?status.svg)](https://godoc.org/github.com/cube2222/octosql)
 [![License](https://shields.io/github/license/cube2222/octosql)](LICENSE)