Migrate to Wire for dependency injection (#32289)

Fixes #30144

Co-authored-by: dsotirakis <sotirakis.dim@gmail.com>
Co-authored-by: Marcus Efraimsson <marcus.efraimsson@gmail.com>
Co-authored-by: Ida Furjesova <ida.furjesova@grafana.com>
Co-authored-by: Jack Westbrook <jack.westbrook@gmail.com>
Co-authored-by: Will Browne <wbrowne@users.noreply.github.com>
Co-authored-by: Leon Sorokin <leeoniya@gmail.com>
Co-authored-by: Andrej Ocenas <mr.ocenas@gmail.com>
Co-authored-by: spinillos <selenepinillos@gmail.com>
Co-authored-by: Karl Persson <kalle.persson@grafana.com>
Co-authored-by: Leonard Gram <leo@xlson.com>

pkg/services/ngalert/api/util.go

@@ -83,7 +83,7 @@ func replacedResponseWriter(ctx *models.ReqContext) (*models.ReqContext, *respon
 }
 
 type AlertingProxy struct {
-	DataProxy *datasourceproxy.DatasourceProxyService
+	DataProxy *datasourceproxy.DataSourceProxyService
 }
 
 // withReq proxies a different request