Merge pull request #650 from creativecommons/deps-update

Update dependencies (Python & NPM)

Author: TimidRobot

.lektorproject

@@ -15,4 +15,4 @@ lektor-markdown-excerpt = 0.1
 lektor-markdown-header-anchors = 0.3.1
 lektor-markdown-highlighter = 0.3.1
 lektor-strip-html-tags = 0.3.1
-lektor-webpack-support = 0.5
+lektor-webpack-support = 0.6