Bump @material-ui/styles from 4.11.3 to 4.11.4

Bumps [@material-ui/styles](https://github.com/mui-org/material-ui/tree/HEAD/packages/material-ui-styles) from 4.11.3 to 4.11.4.
- [Release notes](https://github.com/mui-org/material-ui/releases)
- [Changelog](https://github.com/mui-org/material-ui/blob/v4.11.4/CHANGELOG.md)
- [Commits](https://github.com/mui-org/material-ui/commits/v4.11.4/packages/material-ui-styles)

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

frontend/package.json

@@ -17,7 +17,7 @@
     "@material-ui/core": "4.11.3",
     "@material-ui/icons": "4.11.2",
     "@material-ui/lab": "4.0.0-alpha.57",
-    "@material-ui/styles": "4.11.3",
+    "@material-ui/styles": "4.11.4",
     "@mdi/font": "5.9.55",
     "array-move": "3.0.1",
     "clsx": "1.1.1",

yarn.lock

@@ -1440,13 +1440,13 @@
     prop-types "^15.7.2"
     react-is "^16.8.0 || ^17.0.0"
 
-"@material-ui/styles@4.11.3", "@material-ui/styles@^4.11.3":
-  version "4.11.3"
-  resolved "https://registry.yarnpkg.com/@material-ui/styles/-/styles-4.11.3.tgz#1b8d97775a4a643b53478c895e3f2a464e8916f2"
+"@material-ui/styles@4.11.4", "@material-ui/styles@^4.11.3":
+  version "4.11.4"
+  resolved "https://registry.yarnpkg.com/@material-ui/styles/-/styles-4.11.4.tgz#eb9dfccfcc2d208243d986457dff025497afa00d"
   dependencies:
     "@babel/runtime" "^7.4.4"
     "@emotion/hash" "^0.8.0"
-    "@material-ui/types" "^5.1.0"
+    "@material-ui/types" "5.1.0"
     "@material-ui/utils" "^4.11.2"
     clsx "^1.0.4"
     csstype "^2.5.2"
@@ -1470,7 +1470,7 @@
     csstype "^2.5.2"
     prop-types "^15.7.2"
 
-"@material-ui/types@^5.1.0":
+"@material-ui/types@5.1.0", "@material-ui/types@^5.1.0":
   version "5.1.0"
   resolved "https://registry.yarnpkg.com/@material-ui/types/-/types-5.1.0.tgz#efa1c7a0b0eaa4c7c87ac0390445f0f88b0d88f2"