Update dependency @playcanvas/pcui to v6.1.4 (#899)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

package-lock.json

@@ -27,7 +27,7 @@
     "devDependencies": {
         "@playcanvas/eslint-config": "2.1.0",
         "@playcanvas/splat-transform": "2.1.1",
-        "@playcanvas/pcui": "6.1.3",
+        "@playcanvas/pcui": "6.1.4",
         "@rollup/plugin-alias": "6.0.0",
         "@rollup/plugin-image": "3.0.3",
         "@rollup/plugin-json": "6.1.0",