Bump govuk template to 0.19.2

# 0.19.2

- Increase skiplink colour contrast ([PR
#263](alphagov/govuk_template#263))

# 0.19.1

- Have focus outline appear outside of element rather than covering it
in Safari and Chrome ([PR
#259](alphagov/govuk_template#259))

package.json

@@ -23,7 +23,7 @@
     "express-writer": "0.0.4",
     "govuk-elements-sass": "2.2.1",
     "govuk_frontend_toolkit": "^5.0.1",
-    "govuk_template_jinja": "0.19.0",
+    "govuk_template_jinja": "0.19.2",
     "gulp": "^3.9.1",
     "gulp-clean": "^0.3.2",
     "gulp-mocha": "^3.0.1",