Redact access_token when logging SFU connection string (livekit#1394)

Author: hughns

.changeset/twenty-queens-develop.md

@@ -0,0 +1,5 @@
+---
+'livekit-client': patch
+---
+
+Redact access_token parameter in debug logs

src/api/SignalClient.ts

@@ -294,7 +294,10 @@ export class SignalClient {
           abortHandler();
         }
         abortSignal?.addEventListener('abort', abortHandler);
-        this.log.debug(`connecting to ${url + params}`, this.logContext);
+        this.log.debug(
+          `connecting to ${url + params.replace(/access_token=([^&#$]*)/, 'access_token=<redacted>')}`,
+          this.logContext,
+        );
         if (this.ws) {
           await this.close(false);
         }