chore(deps): update dependency webpack-cli to v6 (#1506)

Signed-off-by: renovate-sh-app[bot] <219655108+renovate-sh-app[bot]@users.noreply.github.com>
Co-authored-by: renovate-sh-app[bot] <219655108+renovate-sh-app[bot]@users.noreply.github.com>
Co-authored-by: Alyssa Joyner <58453566+alyssajoyner@users.noreply.github.com>

Author: renovate-sh-app[bot]

package-lock.json

@@ -76,7 +76,7 @@
     "tsconfig-paths": "^4.2.0",
     "typescript": "5.9.3",
     "webpack": "^5.102.1",
-    "webpack-cli": "^5.1.4",
+    "webpack-cli": "^6.0.0",
     "webpack-livereload-plugin": "^3.0.2",
     "webpack-subresource-integrity": "^5.1.0",
     "webpack-virtual-modules": "^0.6.2"