[MISC] (deps): Bump @material-ui/core from 4.9.8 to 4.9.9 in /web (#825)

Bumps [@material-ui/core](https://github.com/mui-org/material-ui/tree/HEAD/packages/material-ui) from 4.9.8 to 4.9.9.
- [Release notes](https://github.com/mui-org/material-ui/releases)
- [Changelog](https://github.com/mui-org/material-ui/blob/master/CHANGELOG.md)
- [Commits](https://github.com/mui-org/material-ui/commits/v4.9.9/packages/material-ui)

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

Co-authored-by: dependabot-preview[bot] <27856297+dependabot-preview[bot]@users.noreply.github.com>

web/package.json

@@ -7,7 +7,7 @@
     "@fortawesome/free-regular-svg-icons": "^5.13.0",
     "@fortawesome/free-solid-svg-icons": "^5.13.0",
     "@fortawesome/react-fontawesome": "^0.1.9",
-    "@material-ui/core": "^4.9.8",
+    "@material-ui/core": "^4.9.9",
     "@material-ui/icons": "^4.9.1",
     "@types/chai": "^4.2.11",
     "@types/classnames": "^2.2.10",

web/yarn.lock

@@ -1936,10 +1936,10 @@
     "@types/yargs" "^15.0.0"
     chalk "^3.0.0"
 
-"@material-ui/core@^4.9.8":
-  version "4.9.8"
-  resolved "https://registry.yarnpkg.com/@material-ui/core/-/core-4.9.8.tgz#21c37a9aadf4ff8a2719b8cfcad0ae9e6ca53791"
-  integrity sha512-4cslpG6oLoPWUfwPkX+hvbak4hAGiOfgXOu/UIYeeMrtsTEebC0Mirjoby7zhS4ny86YI3rXEFW6EZDmlj5n5w==
+"@material-ui/core@^4.9.9":
+  version "4.9.9"
+  resolved "https://registry.yarnpkg.com/@material-ui/core/-/core-4.9.9.tgz#902dc37eeb415dd3288feb2c92e0dc27d9caed48"
+  integrity sha512-Gp0UdJLxPEnkn7O0QpJ2/LOeIuT8nX9e6CjQFuLnOy10rUGjRsOZ2T170Y057xdUmw1VNE+0bvkkO6dOghxt4g==
   dependencies:
     "@babel/runtime" "^7.4.4"
     "@material-ui/styles" "^4.9.6"