Update third_party/pkg/stack_trace to 1.6.6

DEPS

Index: DEPS
diff --git a/DEPS b/DEPS
index bc5441fc75a0d556f304eb70f616653411d98009..edc0a0368138b296021b78b7feacb18542e3285c 100644
--- a/DEPS
+++ b/DEPS
@@ -55,18 +55,18 @@ vars = {
   "dart2js_info_tag" : "@0.2.7",
   "dart_services_rev" : "@7aea2574e6f3924bf409a80afb8ad52aa2be4f97",
   "dart_style_tag": "@0.2.9+1",
-  "dartdoc_tag" : "@v0.9.7+2",
+  "dartdoc_tag" : "@v0.9.7+3",
   "fixnum_tag": "@0.10.5",
   "func_tag": "@0.1.0",
   "glob_tag": "@1.1.3",
-  "html_tag" : "@0.12.2+2",
+  "html_tag" : "@0.13.0",
   "http_multi_server_tag" : "@2.0.2",
   "http_parser_tag" : "@3.0.2",
   "http_tag" : "@0.11.3+9",
   "http_throttle_rev" : "@284344cd357e435c6c8ff9a4a21f02b9e384a541",
   "idl_parser_rev": "@7fbe68cab90c38147dee4f48c30ad0d496c17915",
   "initialize_tag": "@v0.6.2+2",
-  "intl_tag": "@0.13.0",
+  "intl_tag": "@0.13.1",
   "isolate_tag": "@0.2.3",
   "jinja2_rev": "@2222b31554f03e62600cd7e383376a7c187967a1",
   "json_rpc_2_tag": "@2.0.2",
@@ -91,7 +91,7 @@ vars = {
   "pub_cache_tag": "@v0.1.0",
   "pub_rev": "@101aa44a4aebaefd0796ce44e6d155cd79fe2db4",
   "pub_semver_tag": "@1.3.0",
-  "quiver_tag": "@0.21.4",
+  "quiver_tag": "@0.22.0",
   "resource_rev":"@a49101ba2deb29c728acba6fb86000a8f730f4b1",
   "root_certificates_rev": "@aed07942ce98507d2be28cbd29e879525410c7fc",
   "scheduled_test_tag": "@0.12.6",
@@ -104,11 +104,11 @@ vars = {
   "source_maps-0.9.4_rev": "@38524",
   "source_maps_tag": "@0.10.1+1",
   "source_span_tag": "@1.2.3",
-  "stack_trace_tag": "@1.4.2",
+  "stack_trace_tag": "@1.6.6",
   "stream_channel_tag": "@1.5.0",
   "string_scanner_tag": "@1.0.0",
   "sunflower_rev": "@879b704933413414679396b129f5dfa96f7a0b1e",
-  "test_reflective_loader_rev": "@1630a63f151871197c1cf92f07f2d9debe0ea38d",
+  "test_reflective_loader_tag": "@0.0.4",
   "test_tag": "@0.12.15+6",
   "typed_data_tag": "@1.1.3",
   "usage_tag": "@v2.2.2",
@@ -315,7 +315,7 @@ deps = {
       (Var("github_mirror") % "test") + Var("test_tag"),
   Var("dart_root") + "/third_party/pkg/test_reflective_loader":
       (Var("github_mirror") % "test_reflective_loader") +
-      Var("test_reflective_loader_rev"),
+      Var("test_reflective_loader_tag"),
   Var("dart_root") + "/third_party/pkg/typed_data":
       (Var("github_dartlang") % "typed_data") + Var("typed_data_tag"),
   Var("dart_root") + "/third_party/pkg/usage":