fix: update streamx and move it to production dependencies (#776)

This commit:

- Moves `streamx`, which is used outside development, into production
  dependencies (from `devDependencies` to `dependencies`).
- Updates `streamx` and `@types/streamx` to the latest versions.

package.json

@@ -118,7 +118,7 @@
     "@types/nanobench": "^3.0.0",
     "@types/node": "^18.19.33",
     "@types/sinonjs__fake-timers": "^8.1.2",
-    "@types/streamx": "^2.9.1",
+    "@types/streamx": "^2.9.5",
     "@types/sub-encoder": "^2.1.0",
     "@types/throttle-debounce": "^5.0.0",
     "@types/varint": "^6.0.1",
@@ -140,7 +140,6 @@
     "random-access-memory": "^6.2.0",
     "random-bytes-readable-stream": "^3.0.0",
     "rimraf": "^5.0.5",
-    "streamx": "^2.15.1",
     "tempy": "^3.1.0",
     "ts-proto": "^1.156.7",
     "typedoc": "^0.26.6",
@@ -191,6 +190,7 @@
     "quickbit-universal": "^2.2.0",
     "sodium-universal": "^4.0.0",
     "start-stop-state-machine": "^1.2.0",
+    "streamx": "^2.19.0",
     "sub-encoder": "^2.1.1",
     "throttle-debounce": "^5.0.0",
     "tiny-typed-emitter": "^2.1.0",