Update dependency webpack-merge to v5.10.0 (#76856)

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

package.json

@@ -234,7 +234,7 @@
     "webpack-cli": "5.1.4",
     "webpack-dev-server": "4.15.1",
     "webpack-manifest-plugin": "5.0.0",
-    "webpack-merge": "5.9.0",
+    "webpack-merge": "5.10.0",
     "yaml": "^2.0.0",
     "yargs": "^17.5.1"
   },

yarn.lock

@@ -18079,7 +18079,7 @@ __metadata:
     webpack-cli: 5.1.4
     webpack-dev-server: 4.15.1
     webpack-manifest-plugin: 5.0.0
-    webpack-merge: 5.9.0
+    webpack-merge: 5.10.0
     whatwg-fetch: 3.6.2
     xlsx: "https://cdn.sheetjs.com/xlsx-0.19.1/xlsx-0.19.1.tgz"
     yaml: ^2.0.0
@@ -30225,13 +30225,14 @@ __metadata:
   languageName: node
   linkType: hard
 
-"webpack-merge@npm:5.9.0, webpack-merge@npm:^5.7.3":
-  version: 5.9.0
-  resolution: "webpack-merge@npm:5.9.0"
+"webpack-merge@npm:5.10.0, webpack-merge@npm:^5.7.3":
+  version: 5.10.0
+  resolution: "webpack-merge@npm:5.10.0"
   dependencies:
     clone-deep: ^4.0.1
+    flat: ^5.0.2
     wildcard: ^2.0.0
-  checksum: 64fe2c23aacc5f19684452a0e84ec02c46b990423aee6fcc5c18d7d471155bd14e9a6adb02bd3656eb3e0ac2532c8e97d69412ad14c97eeafe32fa6d10050872
+  checksum: 1fe8bf5309add7298e1ac72fb3f2090e1dfa80c48c7e79fa48aa60b5961332c7d0d61efa8851acb805e6b91a4584537a347bc106e05e9aec87fa4f7088c62f2f
   languageName: node
   linkType: hard