Chore: Update Grafana to use Alertmanager v0.25.1-0.20230308154952-78fedf89728b (#64778)

go.mod

@@ -416,7 +416,7 @@ replace xorm.io/xorm => github.com/grafana/xorm v0.8.3-0.20220614223926-2fcda756
 
 // Use our fork of the upstream alertmanagers.
 // This is required in order to get notification delivery errors from the receivers API.
-replace github.com/prometheus/alertmanager => github.com/grafana/prometheus-alertmanager v0.25.1-0.20230119183635-ec19b0a443b7
+replace github.com/prometheus/alertmanager => github.com/grafana/prometheus-alertmanager v0.25.1-0.20230308154952-78fedf89728b
 
 // grpc v1.46.0 removed "WithBalancerName()" API, still in use by weaveworks/commons.
 replace google.golang.org/grpc => google.golang.org/grpc v1.45.0

go.sum

@@ -1279,8 +1279,8 @@ github.com/grafana/grafana-plugin-sdk-go v0.153.0 h1:5Z3NU/W32BsElkiqalvh6ow0Mx8
 github.com/grafana/grafana-plugin-sdk-go v0.153.0/go.mod h1:4f/8Gf6xMwqXhOmS5U2RPmKQ2UgyA0bVteM/gxGFaCI=
 github.com/grafana/phlare/api v0.1.3 h1:mYTaE9mLsAW/uzPXlW/PQSLsZ4ojBFA+oAMfR/PDdw8=
 github.com/grafana/phlare/api v0.1.3/go.mod h1:29vcLwFDmZBDce2jwFIMtzvof7fzPadT8VMKw9ks7FU=
-github.com/grafana/prometheus-alertmanager v0.25.1-0.20230119183635-ec19b0a443b7 h1:ma1CfisUaAXQzL24tCao9yMleZYsFJ853m2l0rgahyE=
-github.com/grafana/prometheus-alertmanager v0.25.1-0.20230119183635-ec19b0a443b7/go.mod h1:MnBfDPXJqXmmfPwQlCLvVUdqfnvrAw+hSPtDeaaFwj4=
+github.com/grafana/prometheus-alertmanager v0.25.1-0.20230308154952-78fedf89728b h1:VQOGGGJ2lKcVPANyzIESKYhSeA0QIvUQwfA3CbrkDfA=
+github.com/grafana/prometheus-alertmanager v0.25.1-0.20230308154952-78fedf89728b/go.mod h1:MnBfDPXJqXmmfPwQlCLvVUdqfnvrAw+hSPtDeaaFwj4=
 github.com/grafana/saml v0.4.13-0.20230203140620-5f476db5c00a h1:aWSTt/pTOI4uGY9DhBMG1l0GOnGjIYtaqxzYR3/q82o=
 github.com/grafana/saml v0.4.13-0.20230203140620-5f476db5c00a/go.mod h1:igEejV+fihTIlHXYP8zOec3V5A8y3lws5bQBFsTm4gA=
 github.com/grafana/sqlds/v2 v2.3.10 h1:HWKhE0vR6LoEiE+Is8CSZOgaB//D1yqb2ntkass9Fd4=