chore(pubspec): minimum route_hierarchical required is v0.4.22

Author: chirayuk

pubspec.lock

@@ -80,7 +80,7 @@ packages:
   route_hierarchical:
     description: route_hierarchical
     source: hosted
-    version: "0.4.21"
+    version: "0.4.22"
   source_maps:
     description: source_maps
     source: hosted

pubspec.yaml

@@ -23,7 +23,7 @@ dependencies:
   html5lib: '>=0.10.0 <0.11.0'
   intl: '>=0.8.7 <0.12.0'
   perf_api: '>=0.0.8 <0.1.0'
-  route_hierarchical: '>=0.4.21 <0.5.0'
+  route_hierarchical: '>=0.4.22 <0.5.0'
 dev_dependencies:
   benchmark_harness: '>=1.0.0 <2.0.0'
   guinness: '>=0.1.9 <0.2.0'