Bump webpack-dev-middleware in /tests_fixtures/standalone_template

Bumps [webpack-dev-middleware](https://github.com/webpack/webpack-dev-middleware) from 5.3.3 to 5.3.4.
- [Release notes](https://github.com/webpack/webpack-dev-middleware/releases)
- [Changelog](https://github.com/webpack/webpack-dev-middleware/blob/v5.3.4/CHANGELOG.md)
- [Commits](webpack/webpack-dev-middleware@v5.3.3...v5.3.4)

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

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

Author: dependabot[bot]

tests_fixtures/standalone_template/yarn.lock

@@ -19294,8 +19294,8 @@ __metadata:
   linkType: hard
 
 "webpack-dev-middleware@npm:^5.3.1":
-  version: 5.3.3
-  resolution: "webpack-dev-middleware@npm:5.3.3"
+  version: 5.3.4
+  resolution: "webpack-dev-middleware@npm:5.3.4"
   dependencies:
     colorette: "npm:^2.0.10"
     memfs: "npm:^3.4.3"
@@ -19304,7 +19304,7 @@ __metadata:
     schema-utils: "npm:^4.0.0"
   peerDependencies:
     webpack: ^4.0.0 || ^5.0.0
-  checksum: 10c0/378ceed430b61c0b0eccdbb55a97173aa36231bb88e20ad12bafb3d553e542708fa31f08474b9c68d4ac95174a047def9e426e193b7134be3736afa66a0d1708
+  checksum: 10c0/257df7d6bc5494d1d3cb66bba70fbdf5a6e0423e39b6420f7631aeb52435afbfbff8410a62146dcdf3d2f945c62e03193aae2ac1194a2f7d5a2523b9d194e9e1
   languageName: node
   linkType: hard