Use safer method of URL parsing

src/lib/strings/url-helpers.ts

@@ -323,7 +323,7 @@ export function createBskyAppAbsoluteUrl(path: string): string {
 export function createProxiedUrl(url: string): string {
   let u
   try {
-    u = URL.parse(url)
+    u = new URL(url)
   } catch {
     return url
   }