Merge branch 'epub-dependency-fix' into 'master'

fix: highlight js dependency update

See merge request pubsweet/pubsweet!449

packages/components/Epub/package.json

@@ -11,7 +11,7 @@
   "dependencies": {
     "@pubsweet/logger": "^0.2.7",
     "cheerio": "^1.0.0-rc.2",
-    "highlightjs": "^9.10.0",
+    "highlight.js": "^9.13.1",
     "html-epub": "git+https://git@gitlab.coko.foundation/pubsweet/html-epub#updated-libtidy",
     "mkdirp": "^0.5.1",
     "unzipper": "^0.8.9"