Chore: Upgrade prometheus/alertmanager dependency to v0.22.2 (#35102)

* Chore: Upgrade prometheus/alertmanager dependency to v0.22.2

* go mod tidy

go.mod

@@ -74,7 +74,7 @@ require (
 	github.com/patrickmn/go-cache v2.1.0+incompatible
 	github.com/pkg/browser v0.0.0-20210115035449-ce105d075bb4 // indirect
 	github.com/pkg/errors v0.9.1
-	github.com/prometheus/alertmanager v0.21.1-0.20210511232218-7301451eb94d
+	github.com/prometheus/alertmanager v0.22.2
 	github.com/prometheus/client_golang v1.10.0
 	github.com/prometheus/client_model v0.2.0
 	github.com/prometheus/common v0.24.0

go.sum

@@ -1498,8 +1498,8 @@ github.com/prometheus/alertmanager v0.21.1-0.20200911160112-1fdff6b3f939/go.mod
 github.com/prometheus/alertmanager v0.21.1-0.20201106142418-c39b78780054/go.mod h1:imXRHOP6QTsE0fFsIsAV/cXimS32m7gVZOiUj11m6Ig=
 github.com/prometheus/alertmanager v0.21.1-0.20210310093010-0f9cab6991e6/go.mod h1:MTqVn+vIupE0dzdgo+sMcNCp37SCAi8vPrvKTTnTz9g=
 github.com/prometheus/alertmanager v0.21.1-0.20210422101724-8176f78a70e1/go.mod h1:gsEqwD5BHHW9RNKvCuPOrrTMiP5I+faJUyLXvnivHik=
-github.com/prometheus/alertmanager v0.21.1-0.20210511232218-7301451eb94d h1:4b0yyecYCQ7Q64vtcq0Kmny7fiomEVEkC6x57zlzy3w=
-github.com/prometheus/alertmanager v0.21.1-0.20210511232218-7301451eb94d/go.mod h1:VTGfCWWNKkw9ENSnUYhFcdtr3AwDsxBgB4rlB3kRJ4s=
+github.com/prometheus/alertmanager v0.22.2 h1:JrDZalSEMb2/2bqGAhls6ZnvOxbC5jMIu29JV+uWTC0=
+github.com/prometheus/alertmanager v0.22.2/go.mod h1:rYinOWxFuCnNssc3iOjn2oMTlhLaPcUuqV5yk5JKUAE=
 github.com/prometheus/client_golang v0.8.0/go.mod h1:7SWBe2y4D6OKWSNQJUaRYU/AaXPKyh/dDVn+NZz0KFw=
 github.com/prometheus/client_golang v0.9.1/go.mod h1:7SWBe2y4D6OKWSNQJUaRYU/AaXPKyh/dDVn+NZz0KFw=
 github.com/prometheus/client_golang v0.9.2/go.mod h1:OsXs2jCmiKlQ1lTBmv21f2mNfw4xf/QclQDMrYNZzcM=