deps: bump it-stream-types from 1.0.5 to 2.0.1

Bumps [it-stream-types](https://github.com/achingbrain/it-stream-types) from 1.0.5 to 2.0.1.
- [Release notes](https://github.com/achingbrain/it-stream-types/releases)
- [Changelog](https://github.com/achingbrain/it-stream-types/blob/master/CHANGELOG.md)
- [Commits](achingbrain/it-stream-types@v1.0.5...v2.0.1)

---
updated-dependencies:
- dependency-name: it-stream-types
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

package.json

@@ -169,7 +169,7 @@
  },
  "dependencies": {
  "get-iterator": "^2.0.0",
- "it-stream-types": "^1.0.3"
+ "it-stream-types": "^2.0.1"
  },
  "devDependencies": {
  "aegir": "^38.1.7",