chore(deps): bump react from 16.8.6 to 17.0.1 in /examples/cra

Bumps [react](https://github.com/facebook/react/tree/HEAD/packages/react) from 16.8.6 to 17.0.1.
- [Release notes](https://github.com/facebook/react/releases)
- [Changelog](https://github.com/facebook/react/blob/master/CHANGELOG.md)
- [Commits](https://github.com/facebook/react/commits/v17.0.1/packages/react)

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

examples/cra/package.json

@@ -7,7 +7,7 @@
         "@dhis2/app-service-config": "file:../../services/config",
         "@dhis2/app-service-data": "file:../../services/data",
         "prop-types": "^15.7.2",
-        "react": "~16.8.6",
+        "react": "~16.14.0",
         "react-dom": "~16.8.6",
         "react-scripts": "^3.3.0"
     },

examples/cra/yarn.lock

@@ -8665,15 +8665,14 @@ react-scripts@^3.3.0:
   optionalDependencies:
     fsevents "2.1.2"
 
-react@~16.8.6:
-  version "16.8.6"
-  resolved "https://registry.yarnpkg.com/react/-/react-16.8.6.tgz#ad6c3a9614fd3a4e9ef51117f54d888da01f2bbe"
-  integrity sha512-pC0uMkhLaHm11ZSJULfOBqV4tIZkx87ZLvbbQYunNixAAvjnC+snJCg0XQXn9VIsttVsbZP/H/ewzgsd5fxKXw==
+react@~16.14.0:
+  version "16.14.0"
+  resolved "https://registry.yarnpkg.com/react/-/react-16.14.0.tgz#94d776ddd0aaa37da3eda8fc5b6b18a4c9a3114d"
+  integrity sha512-0X2CImDkJGApiAlcf0ODKIneSwBPhqJawOa5wCtKbu7ZECrmS26NvtSILynQ66cgkT/RJ4LidJOc3bUESwmU8g==
   dependencies:
     loose-envify "^1.1.0"
     object-assign "^4.1.1"
     prop-types "^15.6.2"
-    scheduler "^0.13.6"
 
 read-pkg-up@^2.0.0:
   version "2.0.0"