fix(deps): bump apollo-server-express from 3.12.0 to 3.13.0

Bumps [apollo-server-express](https://github.com/apollographql/apollo-server/tree/HEAD/packages/apollo-server-express) from 3.12.0 to 3.13.0.
- [Release notes](https://github.com/apollographql/apollo-server/releases)
- [Commits](https://github.com/apollographql/apollo-server/commits/apollo-server-express@3.13.0/packages/apollo-server-express)

---
updated-dependencies:
- dependency-name: apollo-server-express
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

packages/backend/package.json

@@ -29,7 +29,7 @@
     "@octokit/graphql": "4.8.0",
     "@octokit/rest": "19.0.7",
     "apollo-server-core": "3.13.0",
-    "apollo-server-express": "3.12.0",
+    "apollo-server-express": "3.13.0",
     "axios": "1.6.3",
     "better-queue": "3.8.10",
     "chardet": "2.0.0",