Bump webpack-merge from 5.8.0 to 5.10.0 in /ui/react-app (#3751)

Bumps [webpack-merge](https://github.com/survivejs/webpack-merge) from 5.8.0 to 5.10.0.
- [Changelog](https://github.com/survivejs/webpack-merge/blob/develop/CHANGELOG.md)
- [Commits](https://github.com/survivejs/webpack-merge/compare/v5.8.0...v5.10.0)

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

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

ui/react-app/package-lock.json

@@ -44,7 +44,7 @@
         "webpack-bundle-analyzer": "^4.7.0",
         "webpack-cli": "^4.10.0",
         "webpack-dev-server": "^4.11.1",
-        "webpack-merge": "^5.8.0"
+        "webpack-merge": "^5.10.0"
       }
     },
     "node_modules/@aashutoshrathi/word-wrap": {
@@ -4097,6 +4097,15 @@
         "url": "https://github.com/sponsors/sindresorhus"
       }
     },
+    "node_modules/flat": {
+      "version": "5.0.2",
+      "resolved": "https://registry.npmjs.org/flat/-/flat-5.0.2.tgz",
+      "integrity": "sha512-b6suED+5/3rTpUBdG1gupIl8MPFCAMA0QXwmljLhvCUKcUvdE4gWky9zpuGCcXHOsz4J9wPGNWq6OKpmIzz3hQ==",
+      "dev": true,
+      "bin": {
+        "flat": "cli.js"
+      }
+    },
     "node_modules/flat-cache": {
       "version": "3.0.4",
       "resolved": "https://registry.npmjs.org/flat-cache/-/flat-cache-3.0.4.tgz",
@@ -8170,12 +8179,13 @@
       }
     },
     "node_modules/webpack-merge": {
-      "version": "5.8.0",
+      "version": "5.10.0",
-      "resolved": "https://registry.npmjs.org/webpack-merge/-/webpack-merge-5.8.0.tgz",
+      "resolved": "https://registry.npmjs.org/webpack-merge/-/webpack-merge-5.10.0.tgz",
-      "integrity": "sha512-/SaI7xY0831XwP6kzuwhKWVKDP9t1QY1h65lAFLbZqMPIuYcD9QAW4u9STIbU9kaJbPBB/geU/gLr1wDjOhQ+Q==",
+      "integrity": "sha512-+4zXKdx7UnO+1jaN4l2lHVD+mFvnlZQP/6ljaJVb4SZiwIKeUnrT5l0gkT8z+n4hKpC+jpOv6O9R+gLtag7pSA==",
       "dev": true,
       "dependencies": {
         "clone-deep": "^4.0.1",
+        "flat": "^5.0.2",
         "wildcard": "^2.0.0"
       },
       "engines": {
@@ -11364,6 +11374,12 @@
         "path-exists": "^4.0.0"
       }
     },
+    "flat": {
+      "version": "5.0.2",
+      "resolved": "https://registry.npmjs.org/flat/-/flat-5.0.2.tgz",
+      "integrity": "sha512-b6suED+5/3rTpUBdG1gupIl8MPFCAMA0QXwmljLhvCUKcUvdE4gWky9zpuGCcXHOsz4J9wPGNWq6OKpmIzz3hQ==",
+      "dev": true
+    },
     "flat-cache": {
       "version": "3.0.4",
       "resolved": "https://registry.npmjs.org/flat-cache/-/flat-cache-3.0.4.tgz",
@@ -14319,12 +14335,13 @@
       }
     },
     "webpack-merge": {
-      "version": "5.8.0",
+      "version": "5.10.0",
-      "resolved": "https://registry.npmjs.org/webpack-merge/-/webpack-merge-5.8.0.tgz",
+      "resolved": "https://registry.npmjs.org/webpack-merge/-/webpack-merge-5.10.0.tgz",
-      "integrity": "sha512-/SaI7xY0831XwP6kzuwhKWVKDP9t1QY1h65lAFLbZqMPIuYcD9QAW4u9STIbU9kaJbPBB/geU/gLr1wDjOhQ+Q==",
+      "integrity": "sha512-+4zXKdx7UnO+1jaN4l2lHVD+mFvnlZQP/6ljaJVb4SZiwIKeUnrT5l0gkT8z+n4hKpC+jpOv6O9R+gLtag7pSA==",
       "dev": true,
       "requires": {
         "clone-deep": "^4.0.1",
+        "flat": "^5.0.2",
         "wildcard": "^2.0.0"
       }
     },

ui/react-app/package.json

@@ -46,6 +46,6 @@
     "webpack-bundle-analyzer": "^4.7.0",
     "webpack-cli": "^4.10.0",
     "webpack-dev-server": "^4.11.1",
-    "webpack-merge": "^5.8.0"
+    "webpack-merge": "^5.10.0"
   }
 }