Bump serialize-javascript from 6.0.1 to 6.0.2 in /test/webpack

Bumps [serialize-javascript](https://github.com/yahoo/serialize-javascript) from 6.0.1 to 6.0.2.
- [Release notes](https://github.com/yahoo/serialize-javascript/releases)
- [Commits](yahoo/serialize-javascript@v6.0.1...v6.0.2)

---
updated-dependencies:
- dependency-name: serialize-javascript
  dependency-version: 6.0.2
  dependency-type: indirect
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

test/webpack/yarn.lock

@@ -1706,9 +1706,9 @@ [email protected]:
     statuses "2.0.1"
 
 serialize-javascript@^6.0.1:
-  version "6.0.1"
-  resolved "https://registry.yarnpkg.com/serialize-javascript/-/serialize-javascript-6.0.1.tgz#b206efb27c3da0b0ab6b52f48d170b7996458e5c"
-  integrity sha512-owoXEFjWRllis8/M1Q+Cw5k8ZH40e3zhp/ovX+Xr/vi1qj6QesbyXXViFbpNvWvPNAD62SutwEXavefrLJWj7w==
+  version "6.0.2"
+  resolved "https://registry.yarnpkg.com/serialize-javascript/-/serialize-javascript-6.0.2.tgz#defa1e055c83bf6d59ea805d8da862254eb6a6c2"
+  integrity sha512-Saa1xPByTTq2gdeFZYLLo+RFE35NHZkAbqZeWNd3BpzppeVisAqpDjcp8dyf6uIvEqJRd46jemmyA4iFIeVk8g==
   dependencies:
     randombytes "^2.1.0"