Update dummy app yarn.lock for shakapacker 9.4.0

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <[email protected]>

Author: justin808

react_on_rails/spec/dummy/yarn.lock

@@ -3243,6 +3243,11 @@ find-up@^5.0.0:
     locate-path "^6.0.0"
     path-exists "^4.0.0"
 
+flat@^5.0.2:
+  version "5.0.2"
+  resolved "https://registry.npmjs.org/flat/-/flat-5.0.2.tgz#8ca6fe332069ffa9d324c327198c598259ceb241"
+  integrity sha512-b6suED+5/3rTpUBdG1gupIl8MPFCAMA0QXwmljLhvCUKcUvdE4gWky9zpuGCcXHOsz4J9wPGNWq6OKpmIzz3hQ==
+
 follow-redirects@^1.0.0:
   version "1.14.5"
   resolved "https://registry.yarnpkg.com/follow-redirects/-/follow-redirects-1.14.5.tgz#f09a5848981d3c772b5392309778523f8d85c381"
@@ -5679,13 +5684,15 @@ sha.js@^2.4.0, sha.js@^2.4.8:
     inherits "^2.0.1"
     safe-buffer "^5.0.1"
 
-shakapacker@8.2.0:
-  version "8.2.0"
-  resolved "https://registry.npmjs.org/shakapacker/-/shakapacker-8.2.0.tgz#c7bed87b8be2ae565cfe616f68552be545c77e14"
-  integrity sha512-Ct7BFqJVnKbxdqCzG+ja7Q6LPt/PlB7sSVBfG5jsAvmVCADM05cuoNwEgYNjFGKbDzHAxUqy5XgoI9Y030+JKQ==
+shakapacker@9.4.0:
+  version "9.4.0"
+  resolved "https://registry.npmjs.org/shakapacker/-/shakapacker-9.4.0.tgz#a47120208a0433159740a5ba45f8b4736999f9b8"
+  integrity sha512-Kf5+LADw5kkaPHqXDA6NknGt6p8MK9jjWuiudM+ESHcF/POxFZ1S5p7lMsyezvuMRMm0HrltQCM/NPadGEEnVg==
   dependencies:
     js-yaml "^4.1.0"
     path-complete-extname "^1.0.0"
+    webpack-merge "^5.8.0"
+    yargs "^17.7.2"
 
 shallow-clone@^3.0.0:
   version "3.0.1"
@@ -6371,6 +6378,15 @@ webpack-merge@5, webpack-merge@^5.7.3:
     clone-deep "^4.0.1"
     wildcard "^2.0.0"
 
+webpack-merge@^5.8.0:
+  version "5.10.0"
+  resolved "https://registry.npmjs.org/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:
   version "3.2.3"
   resolved "https://registry.yarnpkg.com/webpack-sources/-/webpack-sources-3.2.3.tgz#2d4daab8451fd4b240cc27055ff6a0c2ccea0cde"
@@ -6484,7 +6500,7 @@ yargs-parser@^21.1.1:
   resolved "https://registry.yarnpkg.com/yargs-parser/-/yargs-parser-21.1.1.tgz#9096bceebf990d21bb31fa9516e0ede294a77d35"
   integrity sha512-tVpsJW7DdjecAiFpbIB1e3qxIQsE6NoPc5/eTdrbbIC4h0LVsWhnoa3g+m2HclBIujHzsxZ4VJVA+GUuc2/LBw==
 
-yargs@^17.3.1:
+yargs@^17.3.1, yargs@^17.7.2:
   version "17.7.2"
   resolved "https://registry.yarnpkg.com/yargs/-/yargs-17.7.2.tgz#991df39aca675a192b816e1e0363f9d75d2aa269"
   integrity sha512-7dSzzRQ++CKnNI/krKnYRV7JKKPUXMEh61soaHKg9mrWEhzFWhFnxPxGl+69cD1Ou63C13NUPCnmIcrvqCuM6w==