fix: use WebWorker lib in tsconfig

see https://github.com/libp2p/js-libp2p-webtransport/pull/59\#discussion_r1145871872

Author: SgtPooki

src/config/tsconfig.aegir.json

@@ -7,7 +7,7 @@
         "checkJs": true,
         "target": "ES2020",
         "module": "ES2020",
-        "lib": ["ES2021", "ES2021.Promise", "ES2021.String", "ES2020.BigInt", "DOM", "DOM.Iterable"],
+        "lib": ["ES2021", "ES2021.Promise", "ES2021.String", "ES2020.BigInt", "DOM", "DOM.Iterable", "WebWorker"],
         "noEmit": false,
         "noEmitOnError": true,
         "emitDeclarationOnly": false,