build: update @europeana/style to ^2.13.0 (#58)

Author: rwd

package.json

@@ -27,7 +27,7 @@
     "version": "node ./bin/version.js && git add README.md"
   },
   "dependencies": {
-    "@europeana/style": "1.138.1",
+    "@europeana/style": "^2.13.0",
     "bootstrap": "^5.3.2",
     "vue": "^3.3.11",
     "vue-i18n": "^9.9.0"