Add FormValues support for runbook scheduled triggers

skip-release-and-release-note: true
GitOrigin-RevId: 8f1183baa4d0f328f9131e482f6eb8c4c9bbda47

Author: HuyPhanNguyen

source/Octopus.Client.Tests/PublicSurfaceAreaFixture.ThePublicSurfaceAreaShouldNotRegress..NETCore.approved.txt

@@ -8748,6 +8748,7 @@ Octopus.Client.Model.Triggers
     .ctor()
     Octopus.Client.Model.Triggers.TriggerActionType ActionType { get; }
     Octopus.Client.Model.ReferenceCollection EnvironmentIds { get; set; }
+    Dictionary<String, String> FormValues { get; set; }
     String RunbookId { get; set; }
     List<TagCanonicalIdOrName> RunbookTags { get; set; }
     Octopus.Client.Model.ReferenceCollection TenantIds { get; set; }

source/Octopus.Server.Client/Model/Triggers/RunRunbookActionResource.cs

@@ -30,5 +30,8 @@ public RunRunbookActionResource()
         [Writeable]
         public ReferenceCollection TenantTags { get; set; }
 
+        [Writeable]
+        public Dictionary<string, string> FormValues { get; set; } = new();
+
     }
 }