build(deps-dev): bump ol from 7.1.0 to 7.4.0

Bumps [ol](https://github.com/openlayers/openlayers) from 7.1.0 to 7.4.0.
- [Release notes](https://github.com/openlayers/openlayers/releases)
- [Commits](openlayers/openlayers@v7.1.0...v7.4.0)

---
updated-dependencies:
- dependency-name: ol
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

package.json

@@ -143,7 +143,7 @@
     "jest-fetch-mock": "^3.0.3",
     "less-loader": "^11.0.0",
     "np": "^8.0.1",
-    "ol": "7.1.0",
+    "ol": "7.4.0",
     "react": "^17.0.2",
     "react-docgen-typescript": "^2.2.2",
     "react-styleguidist": "13.0.0",