Fix JumpCloud for .NET 8

- Remove `ISystemClock`.
- Suppress `CA1863`.

src/AspNet.Security.OAuth.JumpCloud/JumpCloudAuthenticationDefaults.cs

@@ -48,6 +48,7 @@ public static class JumpCloudAuthenticationDefaults
     /// </summary>
     public static readonly string UserInformationEndpointPathFormat = "/userinfo";
 
+#pragma warning disable CA1863
     /// <summary>
     /// Default path to use for <see cref="OAuthOptions.AuthorizationEndpoint"/>.
     /// </summary>
@@ -62,4 +63,5 @@ public static class JumpCloudAuthenticationDefaults
     /// Default path to use for <see cref="OAuthOptions.UserInformationEndpoint"/>.
     /// </summary>
     public static readonly string UserInformationEndpointPath = string.Format(CultureInfo.InvariantCulture, UserInformationEndpointPathFormat);
+#pragma warning disable CA1863
 }

src/AspNet.Security.OAuth.JumpCloud/JumpCloudAuthenticationHandler.cs

@@ -24,13 +24,11 @@ public partial class JumpCloudAuthenticationHandler : OAuthHandler<JumpCloudAuth
     /// <param name="options">The authentication options.</param>
     /// <param name="logger">The logger to use.</param>
     /// <param name="encoder">The URL encoder to use.</param>
-    /// <param name="clock">The system clock to use.</param>
     public JumpCloudAuthenticationHandler(
         [NotNull] IOptionsMonitor<JumpCloudAuthenticationOptions> options,
         [NotNull] ILoggerFactory logger,
-        [NotNull] UrlEncoder encoder,
-        [NotNull] ISystemClock clock)
-        : base(options, logger, encoder, clock)
+        [NotNull] UrlEncoder encoder)
+        : base(options, logger, encoder)
     {
     }