chore(deps): bump github.com/nats-io/nkeys from 0.4.7 to 0.4.8

Bumps [github.com/nats-io/nkeys](https://github.com/nats-io/nkeys) from 0.4.7 to 0.4.8.
- [Release notes](https://github.com/nats-io/nkeys/releases)
- [Changelog](https://github.com/nats-io/nkeys/blob/main/.goreleaser.yml)
- [Commits](nats-io/nkeys@v0.4.7...v0.4.8)

---
updated-dependencies:
- dependency-name: github.com/nats-io/nkeys
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

go.mod

@@ -7,7 +7,7 @@ toolchain go1.23.1
 require (
 	github.com/nats-io/jwt/v2 v2.7.2
 	github.com/nats-io/nats.go v1.37.0
-	github.com/nats-io/nkeys v0.4.7
+	github.com/nats-io/nkeys v0.4.8
 	github.com/samber/lo v1.47.0
 	github.com/spf13/cobra v1.8.1
 	github.com/spf13/pflag v1.0.5

go.sum

@@ -100,8 +100,8 @@ github.com/nats-io/jwt/v2 v2.7.2 h1:SCRjfDLJ2q8naXp8YlGJJS5/yj3wGSODFYVi4nnwVMw=
 github.com/nats-io/jwt/v2 v2.7.2/go.mod h1:kB6QUmqHG6Wdrzj0KP2L+OX4xiTPBeV+NHVstFaATXU=
 github.com/nats-io/nats.go v1.37.0 h1:07rauXbVnnJvv1gfIyghFEo6lUcYRY0WXc3x7x0vUxE=
 github.com/nats-io/nats.go v1.37.0/go.mod h1:Ubdu4Nh9exXdSz0RVWRFBbRfrbSxOYd26oF0wkWclB8=
-github.com/nats-io/nkeys v0.4.7 h1:RwNJbbIdYCoClSDNY7QVKZlyb/wfT6ugvFCiKy6vDvI=
-github.com/nats-io/nkeys v0.4.7/go.mod h1:kqXRgRDPlGy7nGaEDMuYzmiJCIAAWDK0IMBtDmGD0nc=
+github.com/nats-io/nkeys v0.4.8 h1:+wee30071y3vCZAYRsnrmIPaOe47A/SkK/UBDPdIV70=
+github.com/nats-io/nkeys v0.4.8/go.mod h1:kqXRgRDPlGy7nGaEDMuYzmiJCIAAWDK0IMBtDmGD0nc=
 github.com/nats-io/nuid v1.0.1 h1:5iA8DT8V7q8WK2EScv2padNa/rTESc1KdnPw4TC2paw=
 github.com/nats-io/nuid v1.0.1/go.mod h1:19wcPz3Ph3q0Jbyiqsd0kePYG7A95tJPxeL+1OSON2c=
 github.com/nxadm/tail v1.4.8 h1:nPr65rt6Y5JFSKQO7qToXr7pePgD6Gwiw05lkbyAQTE=