update dependencies

Author: fredemmott

.hhconfig

@@ -1,7 +1,8 @@
 assume_php=false
-enable_experimental_tc_features = no_fallback_in_namespaces, unpacking_check_arity, disallow_refs_in_array, disallow_untyped_lambda_as_non_function_type
 ignored_paths = [ "vendor/.+/tests/.+" ]
-safe_array = true
-safe_vector_array = true
-disallow_destruct = true
-forward_compatibility_level=3.27
+disallow_elvis_space=true
+disallow_non_arraykey_keys=true
+disallow_unsafe_comparisons=true
+decl_override_require_hint=true
+enable_experimental_tc_features=shape_field_check,sealed_classes
+forward_compatibility_level=20180704

composer.json

@@ -5,15 +5,15 @@
     "homepage": "https://github.com/hhvm/hack-router-codegen",
     "require": {
         "hhvm": "^3.23.0",
-        "facebook/hack-router": "^0.13",
+        "facebook/hack-router": ">=0.14",
         "facebook/hack-codegen": "^3.0.1",
         "facebook/definition-finder": "^1.5.3",
         "hhvm/type-assert": "^3.0"
     },
     "require-dev": {
         "91carriage/phpunit-hhi": "^5.5",
         "phpunit/phpunit": "^5.5",
-        "hhvm/hhast": "^1.0"
+        "hhvm/hhast": "^3.26"
     },
     "extra": {
         "branch-alias": {