Update ESLint related dependencies (major) (#18907)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>
Co-authored-by: fisker <lionkay@gmail.com>

scripts/generate-unused-typescript-specifiers.js

@@ -8,7 +8,7 @@ import { modifyTypescriptModule } from "./build/hacks/modify-typescript-module.j
 import UNUSED_SPECIFIERS from "./build/hacks/typescript-unused-specifiers.js";
 
 async function getRemovedSpecifiers(code, exports) {
-  let errors = [];
+  let errors;
   try {
     await esbuild.transformSync(code, { loader: "js" });
     return;

scripts/release/utilities.js

@@ -62,7 +62,9 @@ async function runYarn(args, options) {
   try {
     return await spawn("yarn", [...args], options);
   } catch (error) {
-    throw new Error(`\`yarn ${args.join(" ")}\` failed\n${error.stdout}`);
+    throw new Error(`\`yarn ${args.join(" ")}\` failed\n${error.stdout}`, {
+      cause: error,
+    });
   }
 }
 

scripts/sync-flow-tests.cjs

@@ -89,7 +89,7 @@ function run(argv) {
   }
 
   const syncDir = argv[0];
-  let skipped = [];
+  let skipped;
 
   try {
     skipped = syncTests(syncDir);