Update dependency webpack to v5.99.6 (forgejo) (go-gitea#7573)

Reviewed-on: https://codeberg.org/forgejo/forgejo/pulls/7573
Reviewed-by: Gusted <[email protected]>
Co-authored-by: Renovate Bot <[email protected]>
Co-committed-by: Renovate Bot <[email protected]>

Author: Renovate Bot

package-lock.json

@@ -55,7 +55,7 @@
     "vue-chartjs": "5.3.1",
     "vue-loader": "17.4.2",
     "vue3-calendar-heatmap": "2.0.5",
-    "webpack": "5.99.5",
+    "webpack": "5.99.6",
     "webpack-cli": "6.0.1",
     "wrap-ansi": "9.0.0"
   },