feat: Fixes release build failures and get's release dockerfile working.

Sources/ViewControllerLive/Views/PurchaseOrders/PurchaseOrderForm.swift

@@ -3,7 +3,7 @@ import Elementary
 import ElementaryHTMX
 import SharedModels
 
-struct PurchaseOrderForm: HTML {
+struct PurchaseOrderForm: HTML, Sendable {
 
   @Dependency(\.dateFormatter) var dateFormatter
 

Sources/ViewControllerLive/Views/PurchaseOrders/PurchaseOrderSearch.swift

@@ -3,7 +3,7 @@ import ElementaryHTMX
 import SharedModels
 import Vapor
 
-struct PurchaseOrderSearch: HTML {
+struct PurchaseOrderSearch: HTML, Sendable {
 
   typealias Context = SharedModels.ViewRoute.PurchaseOrderRoute.Search.Context
 

Sources/ViewControllerLive/Views/PurchaseOrders/PurchaseOrderTable.swift

@@ -4,7 +4,7 @@ import Fluent
 import SharedModels
 import Vapor
 
-struct PurchaseOrderTable: HTML {
+struct PurchaseOrderTable: HTML, Sendable {
   typealias SearchContext = SharedModels.ViewRoute.PurchaseOrderRoute.Search.Context
 
   let page: Page<PurchaseOrder>
@@ -72,7 +72,7 @@ struct PurchaseOrderTable: HTML {
   }
 
   // Produces only the rows for the given page
-  struct Rows: HTML {
+  struct Rows: HTML, Sendable {
     let page: Page<PurchaseOrder>
 
     var content: some HTML {
@@ -98,7 +98,7 @@ struct PurchaseOrderTable: HTML {
   }
 
   // A single row.
-  struct Row: HTML {
+  struct Row: HTML, Sendable {
     let purchaseOrder: PurchaseOrder
 
     var content: some HTML<HTMLTag.tr> {
@@ -124,7 +124,7 @@ struct PurchaseOrderTable: HTML {
     }
   }
 
-  enum Context: String {
+  enum Context: String, Sendable {
     case `default`
     case search
   }