Update dependencies to unstable

Author: bkoelman

NuGet.config

@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="utf-8"?>
+<configuration>
+    <packageSources>
+        <add key="dotnet9" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet9/nuget/v3/index.json" />
+        <add key="npgsql" value="https://www.myget.org/F/npgsql/api/v3/index.json" />
+        <add key="npgsql-next" value="https://www.myget.org/F/npgsql-vnext/api/v3/index.json" />
+        <add key="pomelo-nightly" value="https://pkgs.dev.azure.com/pomelo-efcore/Pomelo.EntityFrameworkCore.MySql/_packaging/pomelo-efcore-public/nuget/v3/index.json" />
+        <add key="nuget.org" value="https://api.nuget.org/v3/index.json" />
+    </packageSources>
+</configuration>

package-versions.props

@@ -21,13 +21,13 @@
 
   <PropertyGroup Condition="'$(TargetFramework)' == 'net9.0'">
     <!-- Published dependencies (only update on major version change) -->
-    <EntityFrameworkCoreFrozenVersion>9.0.0-rc.1.24451.1</EntityFrameworkCoreFrozenVersion>
+    <EntityFrameworkCoreFrozenVersion>9.0.0-rtm.24473.8</EntityFrameworkCoreFrozenVersion>
 
     <!-- Non-published dependencies (these are safe to update, won't cause a breaking change) -->
     <AspNetCoreVersion>9.0.*-*</AspNetCoreVersion>
     <EntityFrameworkCoreVersion>$(EntityFrameworkCoreFrozenVersion)</EntityFrameworkCoreVersion>
-    <EntityFrameworkCorePostgreSQLVersion>9.0.0-rc.1</EntityFrameworkCorePostgreSQLVersion>
-    <EntityFrameworkCorePomeloVersion>9.0.0-preview.1</EntityFrameworkCorePomeloVersion>
+    <EntityFrameworkCorePostgreSQLVersion>9.0.0-rc.2-ci.20240923T214327</EntityFrameworkCorePostgreSQLVersion>
+    <EntityFrameworkCorePomeloVersion>9.0.0-preview.2*</EntityFrameworkCorePomeloVersion>
     <SystemTextJsonVersion>$(AspNetCoreVersion)</SystemTextJsonVersion>
   </PropertyGroup>