Chore(deps): bump github.com/alecthomas/kingpin/v2 from 2.3.2 to 2.4.0

Bumps [github.com/alecthomas/kingpin/v2](https://github.com/alecthomas/kingpin) from 2.3.2 to 2.4.0.
- [Release notes](https://github.com/alecthomas/kingpin/releases)
- [Commits](https://github.com/alecthomas/kingpin/compare/v2.3.2...v2.4.0)

go.mod

@@ -3,7 +3,7 @@ module gitlab.com/unboundsoftware/dancefinder/dancefetcher
 go 1.20
 
 require (
-	github.com/alecthomas/kingpin/v2 v2.3.2
+	github.com/alecthomas/kingpin/v2 v2.4.0
 	github.com/gocolly/colly/v2 v2.1.0
 	github.com/goodsign/monday v1.0.1
 )