Bump webpack-merge from 5.1.4 to 5.2.0

Bumps [webpack-merge](https://github.com/survivejs/webpack-merge) from 5.1.4 to 5.2.0.
- [Release notes](https://github.com/survivejs/webpack-merge/releases)
- [Changelog](https://github.com/survivejs/webpack-merge/blob/master/CHANGELOG.md)
- [Commits](https://github.com/survivejs/webpack-merge/compare/v5.1.4...v5.2.0)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

package.json

@@ -287,6 +287,6 @@
     "webpack-cli": "^3.3.12",
     "webpack-dev-server": "^3.11.0",
     "webpack-hot-middleware": "^2.25.0",
-    "webpack-merge": "^5.1.2"
+    "webpack-merge": "^5.2.0"
   }
 }

yarn.lock

@@ -13606,10 +13606,10 @@ webpack-log@^2.0.0:
     ansi-colors "^3.0.0"
     uuid "^3.3.2"
 
-webpack-merge@^5.1.2:
-  version "5.1.4"
-  resolved "https://registry.yarnpkg.com/webpack-merge/-/webpack-merge-5.1.4.tgz#a2c3a0c38ac2c02055c47bb1d42de1f072f1aea4"
-  integrity sha512-LSmRD59mxREGkCBm9PCW3AaV4doDqxykGlx1NvioEE0FgkT2GQI54Wyvg39ptkiq2T11eRVoV39udNPsQvK+QQ==
+webpack-merge@^5.2.0:
+  version "5.2.0"
+  resolved "https://registry.yarnpkg.com/webpack-merge/-/webpack-merge-5.2.0.tgz#31cbcc954f8f89cd4b06ca8d97a38549f7f3f0c9"
+  integrity sha512-QBglJBg5+lItm3/Lopv8KDDK01+hjdg2azEwi/4vKJ8ZmGPdtJsTpjtNNOW3a4WiqzXdCATtTudOZJngE7RKkA==
   dependencies:
     clone-deep "^4.0.1"
     wildcard "^2.0.0"