[chore] [receiver/azuremonitor] cleanup azmetrics fake API copy to use the one from the lib (open-telemetry#41514)

<!--Ex. Fixing a bug - Describe the bug and how this fixes the issue.
Ex. Adding a feature - Explain what this achieves.-->
#### Description

This is doing the cleanup for the following Renovate PR.
open-telemetry#41464

~~I don't know what you prefer to do here. myPR -> renovate PR -> main
or merge directly this to main.~~

~~As you wish~~

Edit: Updated the source branch as main. So it will be easier for me to
rule some incoming conflicts with

open-telemetry#41499 (review)


<!-- Issue number (e.g. #1234) or full URL to issue, if applicable. -->
#### Link to tracking issue
Fixes

<!--Describe what testing was performed and which tests were added.-->
#### Testing

<!--Describe the documentation added.-->
#### Documentation

<!--Please delete paragraphs that you did not use before submitting.-->

---------

Signed-off-by: Célian Garcia <celian.garcia@amadeus.com>
Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>
Co-authored-by: otelbot <197425009+otelbot@users.noreply.github.com>

Author: 3 people

receiver/azuremonitorreceiver/fake/internal.go

@@ -5,7 +5,7 @@ go 1.23.0
 require (
 	github.com/Azure/azure-sdk-for-go/sdk/azcore v1.18.1
 	github.com/Azure/azure-sdk-for-go/sdk/azidentity v1.10.1
-	github.com/Azure/azure-sdk-for-go/sdk/monitor/query/azmetrics v1.2.0
+	github.com/Azure/azure-sdk-for-go/sdk/monitor/query/azmetrics v1.3.0
 	github.com/Azure/azure-sdk-for-go/sdk/resourcemanager/monitor/armmonitor v0.11.0
 	github.com/Azure/azure-sdk-for-go/sdk/resourcemanager/resources/armresources/v3 v3.0.0
 	github.com/Azure/azure-sdk-for-go/sdk/resourcemanager/resources/armsubscriptions v1.3.0
@@ -40,7 +40,7 @@ require (
 	github.com/go-viper/mapstructure/v2 v2.4.0 // indirect
 	github.com/gobwas/glob v0.2.3 // indirect
 	github.com/gogo/protobuf v1.3.2 // indirect
-	github.com/golang-jwt/jwt/v5 v5.2.2 // indirect
+	github.com/golang-jwt/jwt/v5 v5.2.3 // indirect
 	github.com/google/uuid v1.6.0 // indirect
 	github.com/hashicorp/go-version v1.7.0 // indirect
 	github.com/json-iterator/go v1.1.12 // indirect
@@ -72,10 +72,10 @@ require (
 	go.opentelemetry.io/otel/sdk/metric v1.37.0 // indirect
 	go.opentelemetry.io/otel/trace v1.37.0 // indirect
 	go.yaml.in/yaml/v3 v3.0.4 // indirect
-	golang.org/x/crypto v0.39.0 // indirect
-	golang.org/x/net v0.41.0 // indirect
-	golang.org/x/sys v0.33.0 // indirect
-	golang.org/x/text v0.26.0 // indirect
+	golang.org/x/crypto v0.40.0 // indirect
+	golang.org/x/net v0.42.0 // indirect
+	golang.org/x/sys v0.34.0 // indirect
+	golang.org/x/text v0.27.0 // indirect
 	google.golang.org/genproto/googleapis/rpc v0.0.0-20250512202823-5a2f75b736a9 // indirect
 	google.golang.org/grpc v1.73.0 // indirect
 	google.golang.org/protobuf v1.36.6 // indirect

receiver/azuremonitorreceiver/fake/metrics_server.go

@@ -11,14 +11,13 @@ import (
 	"github.com/Azure/azure-sdk-for-go/sdk/azcore/arm"
 	"github.com/Azure/azure-sdk-for-go/sdk/azcore/cloud"
 	"github.com/Azure/azure-sdk-for-go/sdk/monitor/query/azmetrics"
+	azmetricsfake "github.com/Azure/azure-sdk-for-go/sdk/monitor/query/azmetrics/fake"
 	"github.com/Azure/azure-sdk-for-go/sdk/resourcemanager/monitor/armmonitor"
 	armmonitorfake "github.com/Azure/azure-sdk-for-go/sdk/resourcemanager/monitor/armmonitor/fake"
 	"github.com/Azure/azure-sdk-for-go/sdk/resourcemanager/resources/armresources/v3"
 	armresourcesfake "github.com/Azure/azure-sdk-for-go/sdk/resourcemanager/resources/armresources/v3/fake"
 	"github.com/Azure/azure-sdk-for-go/sdk/resourcemanager/resources/armsubscriptions"
 	armsubscriptionsfake "github.com/Azure/azure-sdk-for-go/sdk/resourcemanager/resources/armsubscriptions/fake"
-
-	azmetricsfake "github.com/open-telemetry/opentelemetry-collector-contrib/receiver/azuremonitorreceiver/fake"
 )
 
 func TestAzureScraperClientOptions(t *testing.T) {
@@ -144,12 +143,12 @@ func newMockClientOptionsResolver(
 	}
 
 	// Init az metrics client options from metrics query responses mock data
-	azMetricsServer := azmetricsfake.MetricsServer{
+	azMetricsServer := azmetricsfake.Server{
 		QueryResources: newMockMetricsQueryResponse(metricsQueryResponses),
 	}
 	azMetricsClientOptions := &azmetrics.ClientOptions{
 		ClientOptions: azcore.ClientOptions{
-			Transport: azmetricsfake.NewMetricsServerTransport(&azMetricsServer),
+			Transport: azmetricsfake.NewServerTransport(&azMetricsServer),
 		},
 	}