chore(deps): bump System.Text.Json (#427)

Author: dependabot[bot]

FirebaseAdmin/FirebaseAdmin.Snippets/FirebaseAdmin.Snippets.csproj

@@ -13,7 +13,7 @@
     <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="8.0.4" /> 
+    <PackageReference Include="System.Text.Json" Version="8.0.5" /> 
     <PackageReference Include=" System.Security.Cryptography.Xml" Version="8.0.1" />
     <PackageReference Include="System.Net.Http" Version="4.3.4" />
     <PackageReference Include="System.Text.RegularExpressions" Version="4.3.1" />