Bump webpack-merge from 5.9.0 to 5.10.0

Bumps [webpack-merge](https://github.com/survivejs/webpack-merge) from 5.9.0 to 5.10.0.
- [Changelog](https://github.com/survivejs/webpack-merge/blob/develop/CHANGELOG.md)
- [Commits](survivejs/webpack-merge@v5.9.0...v5.10.0)

---
updated-dependencies:
- dependency-name: webpack-merge
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

package.json

@@ -52,6 +52,6 @@
     "webpack": "^5.76.0",
     "webpack-bundle-analyzer": "^4.9.1",
     "webpack-cli": "^4.10.0",
-    "webpack-merge": "^5.9.0"
+    "webpack-merge": "^5.10.0"
   }
 }

yarn.lock

@@ -951,6 +951,11 @@ find-up@^4.0.0:
     locate-path "^5.0.0"
     path-exists "^4.0.0"
 
+flat@^5.0.2:
+  version "5.0.2"
+  resolved "https://registry.yarnpkg.com/flat/-/flat-5.0.2.tgz#8ca6fe332069ffa9d324c327198c598259ceb241"
+  integrity sha512-b6suED+5/3rTpUBdG1gupIl8MPFCAMA0QXwmljLhvCUKcUvdE4gWky9zpuGCcXHOsz4J9wPGNWq6OKpmIzz3hQ==
+
 follow-redirects@^1.15.0:
   version "1.15.3"
   resolved "https://registry.yarnpkg.com/follow-redirects/-/follow-redirects-1.15.3.tgz#fe2f3ef2690afce7e82ed0b44db08165b207123a"
@@ -1893,12 +1898,13 @@ webpack-cli@^4.10.0:
     rechoir "^0.7.0"
     webpack-merge "^5.7.3"
 
-webpack-merge@^5.7.3, webpack-merge@^5.9.0:
-  version "5.9.0"
-  resolved "https://registry.yarnpkg.com/webpack-merge/-/webpack-merge-5.9.0.tgz#dc160a1c4cf512ceca515cc231669e9ddb133826"
-  integrity sha512-6NbRQw4+Sy50vYNTw7EyOn41OZItPiXB8GNv3INSoe3PSFaHJEz3SHTrYVaRm2LilNGnFUzh0FAwqPEmU/CwDg==
+webpack-merge@^5.10.0, webpack-merge@^5.7.3:
+  version "5.10.0"
+  resolved "https://registry.yarnpkg.com/webpack-merge/-/webpack-merge-5.10.0.tgz#a3ad5d773241e9c682803abf628d4cd62b8a4177"
+  integrity sha512-+4zXKdx7UnO+1jaN4l2lHVD+mFvnlZQP/6ljaJVb4SZiwIKeUnrT5l0gkT8z+n4hKpC+jpOv6O9R+gLtag7pSA==
   dependencies:
     clone-deep "^4.0.1"
+    flat "^5.0.2"
     wildcard "^2.0.0"
 
 webpack-sources@^3.2.3: