fix(deps): update dependency webpack-merge to v5.9.0 (#11622)

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

install/package.json

@@ -143,7 +143,7 @@
         "toobusy-js": "0.5.1",
         "validator": "13.9.0",
         "webpack": "5.83.1",
-        "webpack-merge": "5.8.0",
+        "webpack-merge": "5.9.0",
         "winston": "3.8.2",
         "xml": "1.0.1",
         "xregexp": "5.1.1",