[Playground dependencies]: Bump webpack-dev-middleware in /playground

Bumps [webpack-dev-middleware](https://github.com/webpack/webpack-dev-middleware) from 7.0.0 to 7.1.1.
- [Release notes](https://github.com/webpack/webpack-dev-middleware/releases)
- [Changelog](https://github.com/webpack/webpack-dev-middleware/blob/master/CHANGELOG.md)
- [Commits](webpack/webpack-dev-middleware@v7.0.0...v7.1.1)

---
updated-dependencies:
- dependency-name: webpack-dev-middleware
  dependency-type: indirect
...

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

playground/yarn.lock

@@ -5467,6 +5467,13 @@ obuf@^1.0.0, obuf@^1.1.2:
   resolved "https://registry.yarnpkg.com/obuf/-/obuf-1.1.2.tgz#09bea3343d41859ebd446292d11c9d4db619084e"
   integrity sha512-PX1wu0AmAdPqOL1mWhqmlOd8kOIZQwGZw6rh7uby9fTc5lhaOWFLX3I6R1hrF9k3zUY40e6igsLGkDXK92LJNg==
 
+on-finished@^2.4.1:
+  version "2.4.1"
+  resolved "https://registry.yarnpkg.com/on-finished/-/on-finished-2.4.1.tgz#58c8c44116e54845ad57f14ab10b03533184ac3f"
+  integrity sha512-oVlzkg3ENAhCk2zdv7IJwd/QUD4z2RxRwpkcGY8psCVcCYZNq4wYnVWALHM+brtuJjePWiYF/ClmuDr8Ch5+kg==
+  dependencies:
+    ee-first "1.1.1"
+
 on-finished@~2.3.0:
   version "2.3.0"
   resolved "https://registry.yarnpkg.com/on-finished/-/on-finished-2.3.0.tgz#20f1336481b083cd75337992a16971aa2d906947"
@@ -7255,13 +7262,14 @@ webpack-cli@^5.1.4:
     webpack-merge "^5.7.3"
 
 webpack-dev-middleware@^7.0.0:
-  version "7.0.0"
-  resolved "https://registry.yarnpkg.com/webpack-dev-middleware/-/webpack-dev-middleware-7.0.0.tgz#13595dc038a400e3ac9c76f0c9a8c75a59a7d4da"
-  integrity sha512-tZ5hqsWwww/8DislmrzXE3x+4f+v10H1z57mA2dWFrILb4i3xX+dPhTkcdR0DLyQztrhF2AUmO5nN085UYjd/Q==
+  version "7.1.1"
+  resolved "https://registry.yarnpkg.com/webpack-dev-middleware/-/webpack-dev-middleware-7.1.1.tgz#29aefd73720a03889e1c5c8dd7e552c4d333d572"
+  integrity sha512-NmRVq4AvRQs66dFWyDR4GsFDJggtSi2Yn38MXLk0nffgF9n/AIP4TFBg2TQKYaRAN4sHuKOTiz9BnNCENDLEVA==
   dependencies:
     colorette "^2.0.10"
     memfs "^4.6.0"
     mime-types "^2.1.31"
+    on-finished "^2.4.1"
     range-parser "^1.2.1"
     schema-utils "^4.0.0"