fix: revert AspNetCore updates

Author: jonathanedey

FirebaseAdmin/FirebaseAdmin.IntegrationTests/FirebaseAdmin.IntegrationTests.csproj

@@ -10,7 +10,7 @@
 
   <ItemGroup>
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.13.0" />
-    <PackageReference Include="Microsoft.AspNetCore.WebUtilities" Version="2.3.0" />
+    <PackageReference Include="Microsoft.AspNetCore.WebUtilities" Version="2.2.0" />
     <PackageReference Include="System.Collections.Immutable" Version="8.0.0" /> 
     <PackageReference Include="System.Text.Json" Version="8.0.5" /> 
     <PackageReference Include="xunit" Version="2.9.3" />

FirebaseAdmin/FirebaseAdmin.Snippets/FirebaseAdmin.Snippets.csproj

@@ -10,8 +10,8 @@
   <ItemGroup>
     <PackageReference Include="Google.Apis.Auth" Version="1.68.0" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.13.0" />
-    <PackageReference Include="Microsoft.AspNetCore.Http" Version="2.3.0" />
-    <PackageReference Include="Microsoft.AspNetCore.Mvc" Version="2.3.0" />
+    <PackageReference Include="Microsoft.AspNetCore.Http" Version="2.2.2" />
+    <PackageReference Include="Microsoft.AspNetCore.Mvc" Version="2.2.0" />
     <PackageReference Include="System.Collections.Immutable" Version="8.0.0" />
     <PackageReference Include="System.Text.Json" Version="8.0.5" /> 
     <PackageReference Include=" System.Security.Cryptography.Xml" Version="8.0.2" />