fix(deps): update module github.com/nats-io/nkeys to v0.4.8 (#332)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

go.mod

@@ -14,7 +14,7 @@ require (
 	github.com/invopop/jsonschema v0.12.0
 	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/sashabaranov/go-openai v1.35.7
 	github.com/sirupsen/logrus v1.9.3
 	github.com/sourcegraph/conc v0.3.0

go.sum

@@ -48,8 +48,8 @@ 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/pingcap/errors v0.11.4 h1:lFuQV/oaUMGcD2tqt+01ROSmJs75VG1ToEOkZIZ4nE4=