Chore(deps): Bump github.com/grpc-ecosystem/go-grpc-middleware (#31013)

Bumps [github.com/grpc-ecosystem/go-grpc-middleware](https://github.com/grpc-ecosystem/go-grpc-middleware) from 1.2.1 to 1.2.2.
- [Release notes](https://github.com/grpc-ecosystem/go-grpc-middleware/releases)
- [Changelog](https://github.com/grpc-ecosystem/go-grpc-middleware/blob/master/CHANGELOG.md)
- [Commits](https://github.com/grpc-ecosystem/go-grpc-middleware/compare/v1.2.1...v1.2.2)

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

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

go.mod

@@ -46,7 +46,7 @@ require (
 	github.com/grafana/grafana-plugin-model v0.0.0-20190930120109-1fc953a61fb4
 	github.com/grafana/grafana-plugin-sdk-go v0.83.0
 	github.com/grafana/loki v1.6.2-0.20201026154740-6978ee5d7387
-	github.com/grpc-ecosystem/go-grpc-middleware v1.2.1
+	github.com/grpc-ecosystem/go-grpc-middleware v1.2.2
 	github.com/hashicorp/go-hclog v0.15.0
 	github.com/hashicorp/go-plugin v1.4.0
 	github.com/hashicorp/go-version v1.2.1

go.sum

@@ -695,8 +695,8 @@ github.com/gregjones/httpcache v0.0.0-20180305231024-9cad4c3443a7/go.mod h1:Fecb
 github.com/grpc-ecosystem/go-grpc-middleware v1.0.1-0.20190118093823-f849b5445de4/go.mod h1:FiyG127CGDf3tlThmgyCl78X/SZQqEOJBCDaAfeWzPs=
 github.com/grpc-ecosystem/go-grpc-middleware v1.1.0/go.mod h1:f5nM7jw/oeRSadq3xCzHAvxcr8HZnzsqU6ILg/0NiiE=
 github.com/grpc-ecosystem/go-grpc-middleware v1.2.0/go.mod h1:mJzapYve32yjrKlk9GbyCZHuPgZsrbyIbyKhSzOpg6s=
-github.com/grpc-ecosystem/go-grpc-middleware v1.2.1 h1:V59tBiPuMkySHwJkuq/OYkK0WnOLwCwD3UkTbEMr12U=
-github.com/grpc-ecosystem/go-grpc-middleware v1.2.1/go.mod h1:EaizFBKfUKtMIF5iaDEhniwNedqGo9FuLFzppDr3uwI=
+github.com/grpc-ecosystem/go-grpc-middleware v1.2.2 h1:FlFbCRLd5Jr4iYXZufAvgWN6Ao0JrI5chLINnUXDDr0=
+github.com/grpc-ecosystem/go-grpc-middleware v1.2.2/go.mod h1:EaizFBKfUKtMIF5iaDEhniwNedqGo9FuLFzppDr3uwI=
 github.com/grpc-ecosystem/go-grpc-prometheus v1.2.0/go.mod h1:8NvIoxWQoOIhqOTXgfV/d3M/q6VIi02HzZEHgUlZvzk=
 github.com/grpc-ecosystem/go-grpc-prometheus v1.2.1-0.20191002090509-6af20e3a5340 h1:uGoIog/wiQHI9GAxXO5TJbT0wWKH3O9HhOJW1F9c3fY=
 github.com/grpc-ecosystem/go-grpc-prometheus v1.2.1-0.20191002090509-6af20e3a5340/go.mod h1:3bDW6wMZJB7tiONtC/1Xpicra6Wp5GgbTbQWCbI5fkc=