Work around for highlight.js issue

`docco` depends on `highlight.js`, and its latest version doesn’t work right now when installed: highlightjs/highlight.js#1984 Pinning the version to a working version is a workaround untli they get a working version published.
canjs · Feb 25, 2019 · f1422b6 · f1422b6
1 parent daf3bf0
commit f1422b6
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/package.json b/package.json
@@ -48,6 +48,7 @@
     "can-queues": "^1.2.1",
     "detect-cyclic-packages": "^1.1.0",
     "docco": "^0.8.0",
+    "highlight.js": "9.12.0",
     "jshint": "^2.9.1",
     "steal": "^2.1.4",
     "steal-qunit": "^1.0.0",