Update dependencies (#1098)

Author: lpinca

package.json

@@ -31,11 +31,11 @@
     ]
   },
   "dependencies": {
-    "autoprefixer-stylus": "0.11.0",
+    "autoprefixer-stylus": "0.13.0",
     "cheerio": "0.22.0",
     "chokidar": "1.6.1",
     "handlebars": "4.0.6",
-    "html-to-text": "2.1.3",
+    "html-to-text": "3.0.0",
     "js-yaml": "3.7.0",
     "junk": "2.0.0",
     "lodash.defaultsdeep": "4.6.0",
@@ -47,19 +47,19 @@
     "metalsmith-markdown": "0.2.1",
     "metalsmith-metadata": "0.0.4",
     "metalsmith-permalinks": "0.5.0",
-    "metalsmith-prism": "3.0.1",
+    "metalsmith-prism": "3.0.2",
     "metalsmith-stylus": "2.0.1",
     "metalsmith-yearly-pagination": "2.0.0",
     "ncp": "2.0.0",
-    "node-geocoder": "3.15.1",
+    "node-geocoder": "3.15.2",
     "node-version-data": "1.0.1",
     "octonode": "0.7.7",
     "request": "2.79.0",
     "require-dir": "0.3.1",
     "semver": "5.3.0",
-    "snyk": "1.21.2",
+    "snyk": "1.23.2",
     "st": "1.2.0",
-    "strftime": "0.9.2"
+    "strftime": "0.10.0"
   },
   "devDependencies": {
     "faucet": "^0.0.1",