Add a lint rule to avoid using __dirname

packages/cli/bin/backstage-cli

@@ -18,6 +18,7 @@
 const path = require('path');
 
 // Figure out whether we're running inside the backstage repo or as an installed dependency
+/* eslint-disable-next-line no-restricted-syntax */
 const isLocal = require('fs').existsSync(path.resolve(__dirname, '../src'));
 
 if (!isLocal || process.env.BACKSTAGE_E2E_CLI_TEST) {
@@ -25,6 +26,7 @@ if (!isLocal || process.env.BACKSTAGE_E2E_CLI_TEST) {
 } else {
   require('ts-node').register({
     transpileOnly: true,
+    /* eslint-disable-next-line no-restricted-syntax */
     project: path.resolve(__dirname, '../../../tsconfig.json'),
     compilerOptions: {
       module: 'CommonJS',