Bump Google.Apis.Auth and 8 others

[dependabot[bot]]

Performed the following updates:

• Updated Google.Apis.Auth from 1.68.0 to 1.68.0 in /FirebaseAdmin/FirebaseAdmin/FirebaseAdmin.csproj
• Updated Google.Apis.Auth from 1.68.0 to 1.70.0 in /FirebaseAdmin/FirebaseAdmin.Snippets/FirebaseAdmin.Snippets.csproj, /FirebaseAdmin/FirebaseAdmin/FirebaseAdmin.csproj
• Updated Google.Apis.Auth from 1.68.0 to 1.70.0 in /FirebaseAdmin/FirebaseAdmin.Tests/FirebaseAdmin.Tests.csproj
• Updated Microsoft.AspNetCore.Http from 2.2.2 to 2.3.0 in /FirebaseAdmin/FirebaseAdmin.Snippets/FirebaseAdmin.Snippets.csproj
• Updated Microsoft.AspNetCore.WebUtilities from 2.2.0 to 2.3.0 in /FirebaseAdmin/FirebaseAdmin.IntegrationTests/FirebaseAdmin.IntegrationTests.csproj
• Updated Microsoft.NET.Test.Sdk from 17.12.0 to 17.13.0 in /FirebaseAdmin/FirebaseAdmin.IntegrationTests/FirebaseAdmin.IntegrationTests.csproj
• Updated Microsoft.NET.Test.Sdk from 17.12.0 to 17.13.0 in /FirebaseAdmin/FirebaseAdmin.Snippets/FirebaseAdmin.Snippets.csproj
• Updated Microsoft.NET.Test.Sdk from 17.12.0 to 17.13.0 in /FirebaseAdmin/FirebaseAdmin.Tests/FirebaseAdmin.Tests.csproj
• Updated System.Collections.Immutable from 8.0.0 to 9.0.6 in /FirebaseAdmin/FirebaseAdmin.IntegrationTests/FirebaseAdmin.IntegrationTests.csproj
• Updated System.Collections.Immutable from 8.0.0 to 9.0.6 in /FirebaseAdmin/FirebaseAdmin.Snippets/FirebaseAdmin.Snippets.csproj
• Updated System.Collections.Immutable from 8.0.0 to 9.0.6 in /FirebaseAdmin/FirebaseAdmin.Tests/FirebaseAdmin.Tests.csproj
• Updated System.Linq.Async from 6.0.1 to 6.0.3 in /FirebaseAdmin/FirebaseAdmin.Tests/FirebaseAdmin.Tests.csproj
• Updated System.Security.Cryptography.Xml from 8.0.2 to 9.0.6 in /FirebaseAdmin/FirebaseAdmin.Snippets/FirebaseAdmin.Snippets.csproj
• Updated System.Text.Json from 8.0.5 to 9.0.6 in /FirebaseAdmin/FirebaseAdmin.IntegrationTests/FirebaseAdmin.IntegrationTests.csproj
• Updated System.Text.Json from 8.0.5 to 9.0.6 in /FirebaseAdmin/FirebaseAdmin.Snippets/FirebaseAdmin.Snippets.csproj
• Updated xunit from 2.7.0 to 2.9.3 in /FirebaseAdmin/FirebaseAdmin.IntegrationTests/FirebaseAdmin.IntegrationTests.csproj
• Updated xunit from 2.7.0 to 2.9.3 in /FirebaseAdmin/FirebaseAdmin.Tests/FirebaseAdmin.Tests.csproj

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