Cascade deletion for organization integration configurations (#5695)

* Cascade deletion for organization integration configurations

* I always forget to format

util/MySqlMigrations/Migrations/20250422201106_OICCascadeDelete.cs

@@ -0,0 +1,21 @@
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace Bit.MySqlMigrations.Migrations;
+
+/// <inheritdoc />
+public partial class OICCascadeDelete : Migration
+{
+    /// <inheritdoc />
+    protected override void Up(MigrationBuilder migrationBuilder)
+    {
+
+    }
+
+    /// <inheritdoc />
+    protected override void Down(MigrationBuilder migrationBuilder)
+    {
+
+    }
+}