v0.2.0: item pickups hold their toast for 5.5s

Toast durations are now per-toast (addToast third arg); passive item and
active item pickups display for 5.5s instead of the default 2.5s.
Cache v=43.

js/sfxbank.js

@@ -111,7 +111,7 @@ const SfxBank = {
     if (this.buffers.has(name) || this.pending.has(name) || this.failed.has(name)) return;
     const file = this.FILES[name];
     if (!file || !this.ctx || typeof fetch !== 'function') return;
-    const job = fetch('/assets/sfx/' + encodeURIComponent(file) + '?v=42')
+    const job = fetch('/assets/sfx/' + encodeURIComponent(file) + '?v=43')
       .then(r => { if (!r.ok) throw new Error('HTTP ' + r.status); return r.arrayBuffer(); })
       .then(bytes => this.ctx.decodeAudioData(bytes))
       .then(buffer => this.buffers.set(name, this.trim(buffer)))