fix(generator): correctly set fluorflow version dependency

.releaserc.json

@@ -27,7 +27,7 @@
  [
  "@semantic-release/exec",
  {
- "prepareCmd": "sed -i 's/^version: .*$/version: ${nextRelease.version}/' pubspec.yaml",
+ "prepareCmd": "sed -i 's/^version: .*$/version: ${nextRelease.version}/' pubspec.yaml && sed -i 's/^ fluorflow: .*$/fluorflow: ${nextRelease.version}/' pubspec.yaml",
  "publishCmd": "dart pub publish -f",
  "execCwd": "packages/fluorflow_generator"
  }