Update dependency webpack-merge to v6

Author: renovate[bot]

package.json

@@ -28,7 +28,7 @@
     "gulp-sass-variables": "1.2.0",
     "sass": "1.89.1",
     "webpack": "5.99.9",
-    "webpack-merge": "5.10.0",
+    "webpack-merge": "6.0.1",
     "webpack-stream": "7.0.0"
   },
   "repository": {

yarn.lock

@@ -6010,14 +6010,14 @@ watchpack@^2.4.1:
     glob-to-regexp "^0.4.1"
     graceful-fs "^4.1.2"
 
-webpack-merge@5.10.0:
-  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==
+webpack-merge@6.0.1:
+  version "6.0.1"
+  resolved "https://registry.yarnpkg.com/webpack-merge/-/webpack-merge-6.0.1.tgz#50c776868e080574725abc5869bd6e4ef0a16c6a"
+  integrity sha512-hXXvrjtx2PLYx4qruKl+kyRSLc52V+cCvMxRjmKwoA+CBbbF5GfIBtR6kCvl0fYGqTUPKB+1ktVmTHqMOzgCBg==
   dependencies:
     clone-deep "^4.0.1"
     flat "^5.0.2"
-    wildcard "^2.0.0"
+    wildcard "^2.0.1"
 
 webpack-sources@^3.2.3:
   version "3.2.3"
@@ -6087,10 +6087,10 @@ wide-align@^1.1.0:
   dependencies:
     string-width "^1.0.2 || 2"
 
-wildcard@^2.0.0:
-  version "2.0.0"
-  resolved "https://registry.yarnpkg.com/wildcard/-/wildcard-2.0.0.tgz#a77d20e5200c6faaac979e4b3aadc7b3dd7f8fec"
-  integrity sha512-JcKqAHLPxcdb9KM49dufGXn2x3ssnfjbcaQdLlfZsL9rH9wgDQjUtDxbo8NE0F6SFvydeu1VhZe7hZuHsB2/pw==
+wildcard@^2.0.1:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/wildcard/-/wildcard-2.0.1.tgz#5ab10d02487198954836b6349f74fff961e10f67"
+  integrity sha512-CC1bOL87PIWSBhDcTrdeLo6eGT7mCFtrg0uIJtqJUFyK+eJnzl8A1niH56uu7KMa5XFrtiV+AQuHO3n7DsHnLQ==
 
 with@^7.0.0:
   version "7.0.2"