Update remark and remark-html dependencies (#31051)

That example errors out on 
```
TypeError: (0 , remark__WEBPACK_IMPORTED_MODULE_0__.remark) is not a function
```
Updating those dependencies fixes the problem.



## Bug

- [ ] Related issues linked using `fixes #number`
- [ ] Integration tests added
- [ ] Errors have helpful link attached, see `contributing.md`

## Feature

- [ ] Implements an existing feature request or RFC. Make sure the feature request has been accepted for implementation before opening a PR.
- [ ] Related issues linked using `fixes #number`
- [ ] Integration tests added
- [ ] Documentation added
- [ ] Telemetry added. In case of a feature if it's used or not.
- [ ] Errors have helpful link attached, see `contributing.md`

## Documentation / Examples

- [ ] Make sure the linting passes by running `yarn lint`

examples/cms-strapi/package.json

@@ -11,8 +11,8 @@
     "next": "latest",
     "react": "^17.0.2",
     "react-dom": "^17.0.2",
-    "remark": "12.0.0",
-    "remark-html": "11.0.2"
+    "remark": "^14.0.1",
+    "remark-html": "^15.0.0"
   },
   "devDependencies": {
     "autoprefixer": "10.2.6",