feat(ci): Parallelize linting and move to larger runner

This change parallelizes the linting tasks in package.json and moves the lint job to a larger runner for a significant performance improvement. It also fixes an infinite loop that was introduced during the refactoring.

scripts/lint.js

@@ -142,7 +142,11 @@ export function setupLinters() {
 
 export function runESLint() {
   console.log('\nRunning ESLint...');
-  if (!runCommand('npm run lint')) {
+  if (
+    !runCommand(
+      'eslint . --ext .ts,.tsx && eslint integration-tests && eslint scripts',
+    )
+  ) {
     process.exit(1);
   }
 }