fix(server): re-static #hostname and #port

examples/my_cool_server.ts

···
 
   override onListen() {
     MyCoolServer.logger.info(
-      `Listening on ${this.hostname}:${this.port}.`,
+      `Listening on ${MyCoolServer.hostname}:${MyCoolServer.port}.`,
     );
   }
 }

laurali/server.ts

···
   /** All registered hook functions of the `Server` */
   static #hooks: Map<Hook, (ctx: Deno.TlsConn) => void> = new Map();
   /** The port of the `Server` */
-  #port: number;
+  static #port: number;
   /** The hostname of the `Server` */
-  #hostname: string;
+  static #hostname: string;
 
   /**
    * @param certFile The path to the public key file of the `Server`
···
     const port = config?.port || 1965;
     const hostname = config?.hostname || "0.0.0.0";
 
-    this.#port = port;
-    this.#hostname = hostname;
+    Server.#port = port;
+    Server.#hostname = hostname;
 
     this.#listener = Deno.listenTls({
       port,
···
   }
 
   /** Get the `port` of the `Server` */
-  get port() {
-    return this.#port;
+  static get port() {
+    return Server.#port;
   }
 
   /** Get the `hostname` of the `Server` */
-  get hostname() {
-    return this.#hostname;
+  static get hostname() {
+    return Server.#hostname;
   }
 
   /** Called before a connection to a client has been responded to */