Update version to stable

Author: phnx47

appveyor.yml

@@ -23,7 +23,7 @@ artifacts:
 deploy:
   - provider: NuGet
     api_key:
-      secure: vbPWVWUYJ4zSn7fQ621uITPR99Q2s+bx36nE97IUOFrjgjAkMSJ9KOoFTXTGPAl1
+      secure: PtfAzDzYtEFjYKQmsfbJAXRrqlWDR2CesuEeupukTeyyD7O9bzMtRXHmBVYUu1sJ
     on:
       APPVEYOR_REPO_TAG: true
 

src/Prometheus.Client.MetricServer/Prometheus.Client.MetricServer.csproj

@@ -3,7 +3,7 @@
     <Description>MetricServer for the Prometheus.Client</Description>
     <Copyright>2019 © Sergey Kuznetsov</Copyright>
     <AssemblyTitle>Prometheus.Client.MetricServer</AssemblyTitle>
-    <VersionPrefix>3.0.0-rc1</VersionPrefix>
+    <VersionPrefix>3.0.0</VersionPrefix>
     <Authors>Sergey Kuznetsov</Authors>
     <TargetFrameworks>netstandard1.3;netstandard2.0;netcoreapp2.2</TargetFrameworks>
     <AssemblyName>Prometheus.Client.MetricServer</AssemblyName>
@@ -21,7 +21,7 @@
     <AssemblyOriginatorKeyFile>../../Prometheus.Client.MetricServer.snk</AssemblyOriginatorKeyFile>
   </PropertyGroup>
   <ItemGroup>
-    <PackageReference Include="Prometheus.Client" Version="3.0.0-rc2" />
+    <PackageReference Include="Prometheus.Client" Version="3.0.0" />
   </ItemGroup>
   <PropertyGroup Condition=" '$(TargetFramework)' == 'netstandard1.3'">
     <DefineConstants>$(DefineConstants);NETSTANDARD13</DefineConstants>