Bump chart.js from 2.7.2 to 2.9.4

Bumps [chart.js](https://github.com/chartjs/Chart.js) from 2.7.2 to 2.9.4.
- [Release notes](https://github.com/chartjs/Chart.js/releases)
- [Commits](chartjs/Chart.js@v2.7.2...v2.9.4)

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

package.json

@@ -9,7 +9,7 @@
   "dependencies": {
     "amazon-cognito-identity-js": "^1.19.0",
     "axios": "^0.16.0",
-    "chart.js": "^2.5.0",
+    "chart.js": "^2.9.4",
     "classnames": "^2.2.6",
     "cors": "^2.8.5",
     "event-stream": "^3.3.4",

yarn.lock

@@ -2424,9 +2424,10 @@ chardet@^0.7.0:
   resolved "https://registry.yarnpkg.com/chardet/-/chardet-0.7.0.tgz#90094849f0937f2eedc2425d0d28a9e5f0cbad9e"
   integrity sha512-mT8iDcrh03qDGRRmoA2hmBJnxpllMR+0/0qlzjqZES6NdiWDcZkCNAk4rPFZ9Q85r27unkiNNg8ZOiwZXBHwcA==
 
-chart.js@^2.5.0:
-  version "2.7.2"
-  resolved "https://registry.yarnpkg.com/chart.js/-/chart.js-2.7.2.tgz#3c9fde4dc5b95608211bdefeda7e5d33dffa5714"
+chart.js@^2.9.4:
+  version "2.9.4"
+  resolved "https://registry.yarnpkg.com/chart.js/-/chart.js-2.9.4.tgz#0827f9563faffb2dc5c06562f8eb10337d5b9684"
+  integrity sha512-B07aAzxcrikjAPyV+01j7BmOpxtQETxTSlQ26BEYJ+3iUkbNKaOJ/nDbT6JjyqYxseM0ON12COHYdU2cTIjC7A==
   dependencies:
     chartjs-color "^2.1.0"
     moment "^2.10.2"
@@ -6853,11 +6854,7 @@ mixin-object@^2.0.1:
   dependencies:
     minimist "0.0.8"
 
-moment@^2.10.2:
-  version "2.22.2"
-  resolved "https://registry.yarnpkg.com/moment/-/moment-2.22.2.tgz#3c257f9839fc0e93ff53149632239eb90783ff66"
-
-moment@^2.24.0:
+moment@^2.10.2, moment@^2.24.0:
   version "2.24.0"
   resolved "https://registry.yarnpkg.com/moment/-/moment-2.24.0.tgz#0d055d53f5052aa653c9f6eb68bb5d12bf5c2b5b"
   integrity sha512-bV7f+6l2QigeBBZSM/6yTNq4P2fNpSWj/0e7jQcy87A8e7o2nAfP/34/2ky5Vw4B9S446EtIhodAzkFCcR4dQg==