Bump concurrently from 7.1.0 to 7.2.1 (#5464)

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

package.json

@@ -348,7 +348,7 @@
     "cli-progress": "^3.11.0",
     "color": "^3.2.1",
     "command-line-args": "^5.2.1",
-    "concurrently": "^7.1.0",
+    "concurrently": "^7.2.1",
     "css-loader": "^6.7.1",
     "deepdash": "^5.3.9",
     "dompurify": "^2.3.6",