Update dependencies, fix Go 1.22 support

[bombsimon]

Resolves #143

[coveralls]

coverage: 93.637%. remained the same
when pulling e2a5fce on go-1.22
into 956337b on master.

[bombsimon]

Given

package wsl

import "fmt"

func Foo() {

	fmt.Println("a")
}

Go 1.21

› docker run -it --rm -v $PWD:/code -w /code golang:1.21 bash -c "go install github.com/bombsimon/wsl/v4/cmd...@e2a5fce && wsl --fix ."
go: downloading github.com/bombsimon/wsl/v4 v4.2.1-0.20240208200709-e2a5fce99b41
go: downloading golang.org/x/tools v0.17.0
go: downloading golang.org/x/mod v0.15.0
/code/fail.go:5:13: block should not start with a whitespace

Go 1.22

› docker run -it --rm -v $PWD:/code -w /code golang:1.22 bash -c "go install github.com/bombsimon/wsl/v4/cmd...@e2a5fce && wsl --fix ."
go: downloading github.com/bombsimon/wsl/v4 v4.2.1-0.20240208200709-e2a5fce99b41
go: downloading golang.org/x/tools v0.17.0
go: downloading golang.org/x/mod v0.15.0
/code/fail.go:5:13: block should not start with a whitespace