fix: examples/tabs/palette-exemplar/package.json to reduce vulnerabil…

…ities

The following vulnerabilities are fixed with an upgrade:
- https://snyk.io/vuln/SNYK-JS-PATHTOREGEXP-7925106

examples/tabs/palette-exemplar/package.json

@@ -20,7 +20,7 @@
   },
   "dependencies": {
     "@misk/common": "0.3.3",
-    "@misk/core": "0.3.3",
+    "@misk/core": "0.6.0",
     "@misk/simpleredux": "0.3.3",
     "@blueprintjs/core": "3.19.1",
     "@blueprintjs/datetime": "3.13.0",
@@ -42,8 +42,8 @@
     "react-helmet": "6.0.0",
     "react-hot-loader": "4.12.21",
     "react-redux": "7.2.5",
-    "react-router": "5.2.1",
-    "react-router-dom": "5.3.0",
+    "react-router": "6.0.0",
+    "react-router-dom": "6.0.0",
     "react-transition-group": "4.4.1",
     "redux": "4.1.1",
     "redux-saga": "1.1.3",