tools: add BigInt64Array and BigUint64Array to globals

PR-URL: #21255
Refs: #21237
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Trivikram Kamat <trivikr.dev@gmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>

.eslintrc.js

@@ -244,6 +244,8 @@ module.exports = {
   },
   globals: {
     BigInt: false,
+    BigInt64Array: false,
+    BigUint64Array: false,
     COUNTER_HTTP_CLIENT_REQUEST: false,
     COUNTER_HTTP_CLIENT_RESPONSE: false,
     COUNTER_HTTP_SERVER_REQUEST: false,