chore(deps): bump lit from 2.8.0 to 3.2.1 in /gcp/appengine/frontend3

Bumps [lit](https://github.com/lit/lit/tree/HEAD/packages/lit) from 2.8.0 to 3.2.1.
- [Release notes](https://github.com/lit/lit/releases)
- [Changelog](https://github.com/lit/lit/blob/main/packages/lit/CHANGELOG.md)
- [Commits](https://github.com/lit/lit/commits/[email protected]/packages/lit)

---
updated-dependencies:
- dependency-name: lit
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

gcp/appengine/frontend3/package-lock.json

@@ -15,7 +15,7 @@
     "@material/layout-grid": "13.0.0",
     "@material/theme": "13.0.0",
     "@material/web": "^1.5.0",
-    "lit": "2.8.0",
+    "lit": "3.2.1",
     "spicy-sections": "git+https://github.com/tabvengers/spicy-sections.git#c3aae99dbf1e627cdf03a35c913d7f6e970de22b"
   },
   "devDependencies": {