[PM-19151] [PM-19161] Innovation/archive/server (#5672)

* Added the ArchivedDate to cipher entity and response model
* Created migration scripts for sqlserver and ef core migration to add the ArchivedDate column

---------

Co-authored-by: gbubemismith <gsmithwalter@gmail.com>
Co-authored-by: SmithThe4th <gsmith@bitwarden.com>
Co-authored-by: Shane <smelton@bitwarden.com>
Co-authored-by: cd-bitwarden <106776772+cd-bitwarden@users.noreply.github.com>
Co-authored-by: jng <jng@bitwarden.com>

util/PostgresMigrations/Migrations/20250829152204_AddArchivedDateToCipher.cs

@@ -0,0 +1,27 @@
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace Bit.PostgresMigrations.Migrations;
+
+/// <inheritdoc />
+public partial class AddArchivedDateToCipher : Migration
+{
+    /// <inheritdoc />
+    protected override void Up(MigrationBuilder migrationBuilder)
+    {
+        migrationBuilder.AddColumn<DateTime>(
+            name: "ArchivedDate",
+            table: "Cipher",
+            type: "timestamp with time zone",
+            nullable: true);
+    }
+
+    /// <inheritdoc />
+    protected override void Down(MigrationBuilder migrationBuilder)
+    {
+        migrationBuilder.DropColumn(
+            name: "ArchivedDate",
+            table: "Cipher");
+    }
+}