build(deps): bump contentful-sdk-core from 6.8.5 to 6.9.0
build(deps): bump contentful-sdk-core from 6.8.5 to 6.9.0

Bumps [contentful-sdk-core](https://github.com/contentful/contentful-sdk-core) from 6.8.5 to 6.9.0.
- [Release notes](https://github.com/contentful/contentful-sdk-core/releases)
- [Commits](https://github.com/contentful/contentful-sdk-core/compare/v6.8.5...v6.9.0)

---
updated-dependencies:
- dependency-name: contentful-sdk-core
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@github.com>
contentful/contentful-management.js,contentful/contentful-management.js