Add pnpm fi to scripts (#3792)

## Summary:
These are just lifted straight off of the Frontend repo.

Author: handeyeco

Reviewers: jeremywiebe

Required Reviewers:

Approved By: jeremywiebe

Checks: ✅ 11 checks were successful, ⏭️  1 check has been skipped

Pull Request URL: #3792

Author: handeyeco

.changeset/honest-elephants-juggle.md

@@ -0,0 +1,2 @@
+---
+---

package.json

@@ -145,7 +145,9 @@
         "typecheck": "tsc",
         "knip": "knip --config knip.config.ts",
         "extract-css": "node ./utils/extract-css.js",
-        "sync-legacy-styles": "node ./utils/sync-legacy-styles.js"
+        "sync-legacy-styles": "node ./utils/sync-legacy-styles.js",
+        "force-update": "touch package.json && pnpm i",
+        "fi": "pnpm force-update"
     },
     "nyc": {
         "report-dir": "coverage/cypress/"