Chore(deps): Bump github.com/gosimple/slug from 1.4.2 to 1.9.0 (#30178)

Bumps [github.com/gosimple/slug](https://github.com/gosimple/slug) from 1.4.2 to 1.9.0.
- [Release notes](https://github.com/gosimple/slug/releases)
- [Commits](https://github.com/gosimple/slug/compare/v1.4.2...v1.9.0)

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

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Arve Knudsen <arve.knudsen@gmail.com>

go.mod

@@ -41,7 +41,7 @@ require (
 	github.com/golang/protobuf v1.4.3
 	github.com/google/go-cmp v0.5.4
 	github.com/google/uuid v1.1.2
-	github.com/gosimple/slug v1.4.2
+	github.com/gosimple/slug v1.9.0
 	github.com/grafana/grafana-plugin-model v0.0.0-20190930120109-1fc953a61fb4
 	github.com/grafana/grafana-plugin-sdk-go v0.79.0
 	github.com/grafana/loki v1.6.2-0.20201026154740-6978ee5d7387
@@ -65,7 +65,6 @@ require (
 	github.com/prometheus/client_golang v1.8.0
 	github.com/prometheus/client_model v0.2.0
 	github.com/prometheus/common v0.14.0
-	github.com/rainycape/unidecode v0.0.0-20150907023854-cb7f23ec59be // indirect
 	github.com/robfig/cron v0.0.0-20180505203441-b41be1df6967
 	github.com/robfig/cron/v3 v3.0.1
 	github.com/russellhaering/goxmldsig v1.1.0

go.sum

@@ -663,8 +663,8 @@ github.com/gorilla/websocket v1.4.0/go.mod h1:E7qHFY5m1UJ88s3WnNqhKjPHQ0heANvMoA
 github.com/gorilla/websocket v1.4.1/go.mod h1:YR8l580nyteQvAITg2hZ9XVh4b55+EU/adAjf1fMHhE=
 github.com/gorilla/websocket v1.4.2 h1:+/TMaTYc4QFitKJxsQ7Yye35DkWvkdLcvGKqM+x0Ufc=
 github.com/gorilla/websocket v1.4.2/go.mod h1:YR8l580nyteQvAITg2hZ9XVh4b55+EU/adAjf1fMHhE=
-github.com/gosimple/slug v1.4.2 h1:jDmprx3q/9Lfk4FkGZtvzDQ9Cj9eAmsjzeQGp24PeiQ=
-github.com/gosimple/slug v1.4.2/go.mod h1:ER78kgg1Mv0NQGlXiDe57DpCyfbNywXXZ9mIorhxAf0=
+github.com/gosimple/slug v1.9.0 h1:r5vDcYrFz9BmfIAMC829un9hq7hKM4cHUrsv36LbEqs=
+github.com/gosimple/slug v1.9.0/go.mod h1:AMZ+sOVe65uByN3kgEyf9WEBKBCSS+dJjMX9x4vDJbg=
 github.com/grafana/grafana-plugin-model v0.0.0-20190930120109-1fc953a61fb4 h1:SPdxCL9BChFTlyi0Khv64vdCW4TMna8+sxL7+Chx+Ag=
 github.com/grafana/grafana-plugin-model v0.0.0-20190930120109-1fc953a61fb4/go.mod h1:nc0XxBzjeGcrMltCDw269LoWF9S8ibhgxolCdA1R8To=
 github.com/grafana/grafana-plugin-sdk-go v0.79.0 h1:7NVEIMlF8G9H7XUdLX9jH/g01FllE1GEBcFvzXZD+Kw=