Bump nextcloud-vue-collections from 0.5.4 to 0.5.6 in /js

Bumps [nextcloud-vue-collections](https://github.com/juliushaertl/nextcloud-vue-collections) from 0.5.4 to 0.5.6.
- [Release notes](https://github.com/juliushaertl/nextcloud-vue-collections/releases)
- [Commits](https://github.com/juliushaertl/nextcloud-vue-collections/compare/v0.5.4...v0.5.6)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

js/package.json

@@ -18,7 +18,7 @@
     "markdown-it-link-target": "^1.0.2",
     "nextcloud-axios": "^0.2.0",
     "nextcloud-vue": "^0.11.5",
-    "nextcloud-vue-collections": "^0.5.4",
+    "nextcloud-vue-collections": "^0.5.6",
     "ng-infinite-scroll": "^1.3.0",
     "ng-sortable": "^1.3.8",
     "ui-select": "^0.19.8",