📌 Bump chart.js from 3.8.2 to 3.9.1

Bumps [chart.js](https://github.com/chartjs/Chart.js) from 3.8.2 to 3.9.1.
- [Release notes](https://github.com/chartjs/Chart.js/releases)
- [Commits](https://github.com/chartjs/Chart.js/compare/v3.8.2...v3.9.1)

---
updated-dependencies:
- dependency-name: chart.js
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

package.json

@@ -30,7 +30,7 @@
   "homepage": "https://github.com/jpanther/congo#readme",
   "devDependencies": {
     "@tailwindcss/typography": "^0.5.4",
-    "chart.js": "^3.8.2",
+    "chart.js": "^3.9.1",
     "fuse.js": "^6.6.2",
     "katex": "^0.16.0",
     "mermaid": "^9.1.3",