Update dependency concurrently to v10

Author: renovate[bot]

package-lock.json

@@ -165,7 +165,7 @@
     "@web/test-runner-playwright": "^0.11.0",
     "@webcomponents/webcomponentsjs": "^2.8.0",
     "chokidar": "^5.0.0",
-    "concurrently": "^9.1.2",
+    "concurrently": "^10.0.0",
     "custom-element-vs-code-integration": "^1.5.0",
     "custom-elements-manifest-deprecator": "^1.2.0",
     "deepmerge": "^4.3.1",