Bump version and update changelog.

Author: dillonkearns

CHANGELOG-ELM-PACKAGE.md

@@ -9,6 +9,12 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 
 ## [Unreleased]
 
+## [5.0.9] - 2022-01-21
+
+### Fixed
+
+- Query params are now passed through for POST requests (they were always empty before).
+
 ## [5.0.8] - 2021-11-29
 
 ### Fixed

elm.json

@@ -3,7 +3,7 @@
     "name": "dillonkearns/elm-graphql",
     "summary": "Type-safe GraphQL queries in Elm.",
     "license": "BSD-3-Clause",
-    "version": "5.0.8",
+    "version": "5.0.9",
     "exposed-modules": [
         "Graphql.Operation",
         "Graphql.Http",