[lint-staged] Lint Terraform files in subdirs

Summary: Noticed that lint is not running in subdirs after I moved config donwn the tree. This diff fixes that.

Test Plan: Changed terraform files in `services/terraform/remote`, then `git commit` - lint was running as expected.

Reviewers: varun, atul, michal, jon

Reviewed By: jon

Subscribers: ashoat, tomek

Differential Revision: https://phab.comm.dev/D8584

.lintstagedrc.js

@@ -72,7 +72,7 @@ module.exports = {
     const paths = new Set(files.map(findRustProjectPath).filter(Boolean));
     return `yarn rust-pre-commit ${Array.from(paths).join(' ')}`;
   },
-  'services/terraform/*.tf': function checkTerraform(files) {
+  'services/terraform/**/*.tf': function checkTerraform(files) {
     return 'yarn terraform-pre-commit';
   },
 };