Bump @glimmer/syntax from 0.66.1 to 0.67.0 (#652)

Bumps [@glimmer/syntax](https://github.com/glimmerjs/glimmer-vm) from 0.66.1 to 0.67.0.
- [Release notes](https://github.com/glimmerjs/glimmer-vm/releases)
- [Changelog](https://github.com/glimmerjs/glimmer-vm/blob/master/CHANGELOG.md)
- [Commits](glimmerjs/glimmer-vm@v0.66.1...v0.67.0)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

Co-authored-by: dependabot-preview[bot] <27856297+dependabot-preview[bot]@users.noreply.github.com>

Author: dependabot-preview[bot]

package.json

@@ -32,7 +32,7 @@
     "ember-assign-polyfill": "^2.6.0"
   },
   "dependencies": {
-    "@glimmer/syntax": "^0.66.0",
+    "@glimmer/syntax": "^0.67.0",
     "broccoli-bridge": "^1.0.0",
     "broccoli-caching-writer": "^3.0.3",
     "broccoli-debug": "^0.6.5",

yarn.lock

@@ -1358,10 +1358,10 @@
   dependencies:
     "@simple-dom/interface" "^1.4.0"
 
-"@glimmer/interfaces@0.66.1":
-  version "0.66.1"
-  resolved "https://registry.yarnpkg.com/@glimmer/interfaces/-/interfaces-0.66.1.tgz#5b50b0dd6bcae19e7848d70b42f9466a184979be"
-  integrity sha512-opcDbSID3YqkUgOR15+IePfkoiJKRJh5pfxPXNw3xcwkptmbiSXNkfZGnPk4FZr4g+Jpem1CIGUDejtyaTTk3Q==
+"@glimmer/interfaces@0.67.0":
+  version "0.67.0"
+  resolved "https://registry.yarnpkg.com/@glimmer/interfaces/-/interfaces-0.67.0.tgz#fc68db956028f0ab9c655a53bb882d54fd34c24b"
+  integrity sha512-1yNs8kt8k4tzA6r9lO3ScX4zR6Jg9ymRqIFvDtam1twNoRQBFHNwfpTqPU4X5mq/4tOcgtWA8FNv5/jBIOaOew==
   dependencies:
     "@simple-dom/interface" "^1.4.0"
 
@@ -1424,13 +1424,13 @@
     "@handlebars/parser" "^1.1.0"
     simple-html-tokenizer "^0.5.10"
 
-"@glimmer/syntax@^0.66.0":
-  version "0.66.1"
-  resolved "https://registry.yarnpkg.com/@glimmer/syntax/-/syntax-0.66.1.tgz#901b9d0253ad5ac1f7f8199de0ef43c98c209a63"
-  integrity sha512-hzYhlfWzu5c8K7ZtTh3bSdpT5a6efxN1NsKUvGE5p1TC9XGOZuKogq/fRtlK2UGBUazEh5fvTu7qmQ8dTU1dWA==
+"@glimmer/syntax@^0.67.0":
+  version "0.67.0"
+  resolved "https://registry.yarnpkg.com/@glimmer/syntax/-/syntax-0.67.0.tgz#2aaa5ba451671ee869285463b9711dbec1c843e2"
+  integrity sha512-9eRjAF3oD0RyWzptincQT/ucWxxgMhYrhumizxCJDGWTpk8GCpAMoKjEK2D1eryVEaF3KknGS9ba3/oakGkpzg==
   dependencies:
-    "@glimmer/interfaces" "0.66.1"
-    "@glimmer/util" "0.66.1"
+    "@glimmer/interfaces" "0.67.0"
+    "@glimmer/util" "0.67.0"
     "@handlebars/parser" "^1.1.0"
     simple-html-tokenizer "^0.5.10"
 
@@ -1451,13 +1451,13 @@
     "@glimmer/interfaces" "0.62.4"
     "@simple-dom/interface" "^1.4.0"
 
-"@glimmer/util@0.66.1":
-  version "0.66.1"
-  resolved "https://registry.yarnpkg.com/@glimmer/util/-/util-0.66.1.tgz#53c5e12f121011f44c018dba6bcaa936133ffd24"
-  integrity sha512-pB7VEpCmC5hmehQdED7HJJEKFdGPsO6LHGl4LtRHHQptlyKTxotTxevDbzGuIxbsDpGPT+4e3g1rlEAfnC51/Q==
+"@glimmer/util@0.67.0":
+  version "0.67.0"
+  resolved "https://registry.yarnpkg.com/@glimmer/util/-/util-0.67.0.tgz#7f19320826e926a2fe80abb44512f9898f6df6d8"
+  integrity sha512-iDio1mKJgdtvo9GT/d4QL/pvUzAxQOM7m/3fAY3pX2CAa25jwEwpUh7fNN+F3iEFkJWiDJusSPY/K3RPMfAoXg==
   dependencies:
     "@glimmer/env" "0.1.7"
-    "@glimmer/interfaces" "0.66.1"
+    "@glimmer/interfaces" "0.67.0"
     "@simple-dom/interface" "^1.4.0"
 
 "@glimmer/util@^0.42.2":