Prepare 5.22.0 release.

CHANGELOG.md

@@ -1,4 +1,4 @@
-# 5.22.0-rc.2
+# 5.22.0
   - Changes from 5.21.0
     - Build:
       - ADDED: optionally build Node `lts` and `latest` bindings [#5347](https://github.com/Project-OSRM/osrm-backend/pull/5347)

package.json

@@ -1,6 +1,6 @@
 {
   "name": "osrm",
-  "version": "5.22.0-rc.2",
+  "version": "5.22.0",
   "private": false,
   "description": "The Open Source Routing Machine is a high performance routing engine written in C++14 designed to run on OpenStreetMap data.",
   "dependencies": {