chore: bump @material-ui/core from 4.11.3 to 4.11.4 in /striker-ui

Bumps [@material-ui/core](https://github.com/mui-org/material-ui/tree/HEAD/packages/material-ui) 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)

---
updated-dependencies:
- dependency-name: "@material-ui/core"
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

striker-ui/package-lock.json

@@ -423,14 +423,14 @@
       "integrity": "sha512-sqKVVVOe5ivCaXDWivIJYVSaEgdQK9ul7a4Kity5Iw7u9+wBAPbX1RMSnLLmp7O4Vzj0WOWwMAJsTL00xwaNug=="
     },
     "@material-ui/core": {
-      "version": "4.11.3",
-      "resolved": "https://registry.npmjs.org/@material-ui/core/-/core-4.11.3.tgz",
-      "integrity": "sha512-Adt40rGW6Uds+cAyk3pVgcErpzU/qxc7KBR94jFHBYretU4AtWZltYcNsbeMn9tXL86jjVL1kuGcIHsgLgFGRw==",
+      "version": "4.11.4",
+      "resolved": "https://registry.npmjs.org/@material-ui/core/-/core-4.11.4.tgz",
+      "integrity": "sha512-oqb+lJ2Dl9HXI9orc6/aN8ZIAMkeThufA5iZELf2LQeBn2NtjVilF5D2w7e9RpntAzDb4jK5DsVhkfOvFY/8fg==",
       "requires": {
         "@babel/runtime": "^7.4.4",
-        "@material-ui/styles": "^4.11.3",
+        "@material-ui/styles": "^4.11.4",
         "@material-ui/system": "^4.11.3",
-        "@material-ui/types": "^5.1.0",
+        "@material-ui/types": "5.1.0",
         "@material-ui/utils": "^4.11.2",
         "@types/react-transition-group": "^4.2.0",
         "clsx": "^1.0.4",
@@ -1873,18 +1873,18 @@
       }
     },
     "dom-helpers": {
-      "version": "5.2.0",
-      "resolved": "https://registry.npmjs.org/dom-helpers/-/dom-helpers-5.2.0.tgz",
-      "integrity": "sha512-Ru5o9+V8CpunKnz5LGgWXkmrH/20cGKwcHwS4m73zIvs54CN9epEmT/HLqFJW3kXpakAFkEdzgy1hzlJe3E4OQ==",
+      "version": "5.2.1",
+      "resolved": "https://registry.npmjs.org/dom-helpers/-/dom-helpers-5.2.1.tgz",
+      "integrity": "sha512-nRCa7CK3VTrM2NmGkIy4cbK7IZlgBE/PYMn55rrXefr5xXDP0LdtfPnblFDoVdcAfslJ7or6iqAUnx0CCGIWQA==",
       "requires": {
         "@babel/runtime": "^7.8.7",
         "csstype": "^3.0.2"
       },
       "dependencies": {
         "csstype": {
-          "version": "3.0.7",
-          "resolved": "https://registry.npmjs.org/csstype/-/csstype-3.0.7.tgz",
-          "integrity": "sha512-KxnUB0ZMlnUWCsx2Z8MUsr6qV6ja1w9ArPErJaJaF8a5SOWoHLIszeCTKGRGRgtLgYrs1E8CHkNSP1VZTTPc9g=="
+          "version": "3.0.8",
+          "resolved": "https://registry.npmjs.org/csstype/-/csstype-3.0.8.tgz",
+          "integrity": "sha512-jXKhWqXPmlUeoQnF/EhTtTl4C9SnrxSH/jZUih3jmO6lBKr99rP3/+FmrMj4EFpOXzMtXHAZkd3x0E6h6Fgflw=="
         }
       }
     },
@@ -4777,9 +4777,9 @@
       "integrity": "sha512-X8jZHc7nCMjaCqoU+V2I0cOhNW+QMBwSUkeXnTi8IPe6zaRWfn60ZzvFDZqWPfmSJfjub7dDW1SP0jaHWLu/hg=="
     },
     "react-transition-group": {
-      "version": "4.4.1",
-      "resolved": "https://registry.npmjs.org/react-transition-group/-/react-transition-group-4.4.1.tgz",
-      "integrity": "sha512-Djqr7OQ2aPUiYurhPalTrVy9ddmFCCzwhqQmtN+J3+3DzLO209Fdr70QrN8Z3DsglWql6iY1lDWAfpFiBtuKGw==",
+      "version": "4.4.2",
+      "resolved": "https://registry.npmjs.org/react-transition-group/-/react-transition-group-4.4.2.tgz",
+      "integrity": "sha512-/RNYfRAMlZwDSr6z4zNKV6xu53/e2BuaBbGhbyYIXTrmgu/bGHzmqOs7mJSJBHy9Ud+ApHx3QjrkKSp1pxvlFg==",
       "requires": {
         "@babel/runtime": "^7.5.5",
         "dom-helpers": "^5.0.1",