fix(http): allow tokens to exceed 20 chars (#207)

Author: max-wittig

src/GitLabApiClient/Internal/Http/GitLabHttpFacade.cs

@@ -34,12 +34,12 @@ public GitLabHttpFacade(string hostUrl, RequestsJsonSerializer jsonSerializer, s
         {
             switch (authenticationToken.Length)
             {
-                case 0:
+                case int i when i == 0:
                     break;
-                case 20:
+                case int i when i >= 20 && i < 64:
                     _httpClient.DefaultRequestHeaders.Add(PrivateToken, authenticationToken);
                     break;
-                case 64:
+                case int i when i == 64:
                     _httpClient.DefaultRequestHeaders.Authorization = new AuthenticationHeaderValue("Bearer", authenticationToken);
                     break;
                 default: