Bump @types/chart.js from 2.7.56 to 2.9.0

Bumps [@types/chart.js](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/chart.js) from 2.7.56 to 2.9.0.
- [Release notes](https://github.com/DefinitelyTyped/DefinitelyTyped/releases)
- [Commits](https://github.com/DefinitelyTyped/DefinitelyTyped/commits/HEAD/types/chart.js)

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

package-lock.json

@@ -5777,9 +5777,9 @@
       }
     },
     "@types/chart.js": {
-      "version": "2.7.56",
-      "resolved": "https://registry.npmjs.org/@types/chart.js/-/chart.js-2.7.56.tgz",
-      "integrity": "sha512-toWLqetzDO32PtrDCRKCsMmOYgHzOQUbWh3h7dGuupDpxoyx+o33lZkBBXFV0FoOUuMMEHluZBjw9Xye9ubYvg==",
+      "version": "2.9.0",
+      "resolved": "https://registry.npmjs.org/@types/chart.js/-/chart.js-2.9.0.tgz",
+      "integrity": "sha512-AsojgiTzlfLmIAyzzN5KkNrlkg645bg6MRBjkFsPuFYff0toasck6Jx/W772kyrSPcO90bBGtExM8wrBn/niJA==",
       "dev": true
     },
     "@types/cheerio": {

package.json

@@ -4,7 +4,7 @@
   "private": true,
   "homepage": ".",
   "devDependencies": {
-    "@types/chart.js": "^2.7.56",
+    "@types/chart.js": "^2.9.0",
     "@types/enzyme": "^3.10.3",
     "@types/enzyme-adapter-react-16": "^1.0.5",
     "@types/fetch-mock": "^7.3.1",