Bump dependencies to released 7.0.0-preview.5

Directory.Packages.props

 <Project>
   <PropertyGroup>
-    <EFCoreVersion>7.0.0-preview.5.22274.2</EFCoreVersion>
-    <MicrosoftExtensionsVersion>7.0.0-preview.5.22272.3</MicrosoftExtensionsVersion>
-    <NpgsqlVersion>7.0.0-preview.5-ci.20220516T154412</NpgsqlVersion>
+    <EFCoreVersion>7.0.0-preview.5.22302.2</EFCoreVersion>
+    <MicrosoftExtensionsVersion>7.0.0-preview.5.22301.12</MicrosoftExtensionsVersion>
+    <NpgsqlVersion>7.0.0-preview.5</NpgsqlVersion>
   </PropertyGroup>
 
   <ItemGroup>

NuGet.config

@@ -8,6 +8,12 @@
     </packageSources>
 
     <packageSourceMapping>
+        <packageSource key="nuget.org">
+            <package pattern="*" />
+            <!-- Our npgsql-vnext feed doesn't necessarily contain the last preview (package retention rules...), so we take it from nuget.org -->
+            <package pattern="Npgsql" />
+            <package pattern="Npgsql.*" />
+        </packageSource>
         <packageSource key="npgsql-vnext">
             <package pattern="Npgsql" />
             <package pattern="Npgsql.*" />
@@ -24,11 +30,6 @@
             <package pattern="xunit.extensibility.core" />
             <package pattern="xunit.extensibility.execution" />
         </packageSource>
-        <packageSource key="nuget.org">
-            <package pattern="*" />
-            <!-- Our npgsql-vnext feed doesn't necessarily contain the last preview (package retention rules...), so we take it from nuget.org -->
-            <package pattern="Npgsql.*" />
-        </packageSource>
     </packageSourceMapping>
 
 </configuration>