⬆️ Bump streamx from 2.18.0 to 2.19.0

Bumps [streamx](https://github.com/mafintosh/streamx) from 2.18.0 to 2.19.0.
- [Commits](mafintosh/streamx@v2.18.0...v2.19.0)

---
updated-dependencies:
- dependency-name: streamx
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

package-lock.json

@@ -123,7 +123,7 @@
     "source-map": "^0.7.4",
     "source-map-js": "^1.2.0",
     "speech-rule-engine": "4.1.0-beta.10",
-    "streamx": "^2.18.0",
+    "streamx": "^2.19.0",
     "stylus": "^0.63.0",
     "svgo": "^3.3.2",
     "swig": "^1.4.2",