build(deps): bump luxon from 3.1.0 to 3.2.1

Bumps [luxon](https://github.com/moment/luxon) from 3.1.0 to 3.2.1.
- [Changelog](https://github.com/moment/luxon/blob/master/CHANGELOG.md)
- [Commits](https://github.com/moment/luxon/compare/3.1.0...3.2.1)

---
updated-dependencies:
- dependency-name: luxon
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

package.json

@@ -122,7 +122,7 @@
     "koa-router": "12.0.0",
     "line-replace": "2.0.1",
     "lodash": "4.17.21",
-    "luxon": "3.1.0",
+    "luxon": "3.2.1",
     "mammoth": "1.5.1",
     "mime-types": "2.1.35",
     "moment": "1.3.0",