Bump github.com/mediocregopher/radix/v4 from 4.0.0-beta.1 to 4.0.0 (sigstore#460)

Bumps [github.com/mediocregopher/radix/v4](https://github.com/mediocregopher/radix) from 4.0.0-beta.1 to 4.0.0.
- [Release notes](https://github.com/mediocregopher/radix/releases)
- [Changelog](https://github.com/mediocregopher/radix/blob/v4.0.0/CHANGELOG.md)
- [Commits](mediocregopher/radix@v4.0.0-beta.1...v4.0.0)

---
updated-dependencies:
- dependency-name: github.com/mediocregopher/radix/v4
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

go.mod

@@ -27,7 +27,7 @@ require (
 	github.com/jedisct1/go-minisign v0.0.0-20210703085342-c1f07ee84431
 	github.com/leodido/go-urn v1.2.1 // indirect
 	github.com/mailru/easyjson v0.7.7 // indirect
-	github.com/mediocregopher/radix/v4 v4.0.0-beta.1
+	github.com/mediocregopher/radix/v4 v4.0.0
 	github.com/mitchellh/go-homedir v1.1.0
 	github.com/mitchellh/mapstructure v1.4.2
 	github.com/pkg/errors v0.9.1

go.sum

@@ -902,8 +902,8 @@ github.com/mattn/go-zglob v0.0.1/go.mod h1:9fxibJccNxU2cnpIKLRRFA7zX7qhkJIQWBb44
 github.com/matttproud/golang_protobuf_extensions v1.0.1 h1:4hp9jkHxhMHkqkrB3Ix0jegS5sx/RkqARlsWZ6pIwiU=
 github.com/matttproud/golang_protobuf_extensions v1.0.1/go.mod h1:D8He9yQNgCq6Z5Ld7szi9bcBfOoFv/3dc6xSMkL2PC0=
 github.com/maxbrunsfeld/counterfeiter/v6 v6.2.2/go.mod h1:eD9eIE7cdwcMi9rYluz88Jz2VyhSmden33/aXg4oVIY=
-github.com/mediocregopher/radix/v4 v4.0.0-beta.1 h1:RDgQ4wCQ6f+pUsX20CIzjNJnI5P9KDw4j1sjOVHxo7Y=
-github.com/mediocregopher/radix/v4 v4.0.0-beta.1/go.mod h1:Z74pilm773ghbGV4EEoPvi6XWgkAfr0VCNkfa8gI1PU=
+github.com/mediocregopher/radix/v4 v4.0.0 h1:BUj/kzvuppH81PTHoxQqmQhu8JpHDWRFST6JQQE0hBQ=
+github.com/mediocregopher/radix/v4 v4.0.0/go.mod h1:ajchozX/6ELmydxWeWM6xCFHVpZ4+67LXHOTOVR0nCE=
 github.com/mgutz/ansi v0.0.0-20170206155736-9520e82c474b/go.mod h1:01TrycV0kFyexm33Z7vhZRXopbI8J3TDReVlkTgMUxE=
 github.com/miekg/dns v1.0.14/go.mod h1:W1PPwlIAgtquWBMBEV9nkV9Cazfe8ScdGz/Lj7v3Nrg=
 github.com/miekg/dns v1.1.26/go.mod h1:bPDLeHnStXmXAq1m/Ch/hvfNHr14JKNPMBo3VZKjuso=