Bump apollo-server from 2.25.3 to 3.12.0

Bumps [apollo-server](https://github.com/apollographql/apollo-server/tree/HEAD/packages/apollo-server) from 2.25.3 to 3.12.0.
- [Release notes](https://github.com/apollographql/apollo-server/releases)
- [Changelog](https://github.com/apollographql/apollo-server/blob/apollo-server@3.12.0/CHANGELOG.md)
- [Commits](https://github.com/apollographql/apollo-server/commits/apollo-server@3.12.0/packages/apollo-server)

---
updated-dependencies:
- dependency-name: apollo-server
  dependency-type: direct:production
...

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

Author: dependabot[bot]

package.json

@@ -46,7 +46,7 @@
     "apollo-link-http": "^1.5.14",
     "apollo-link-prismic": "^1.0.2",
     "apollo-link-retry": "^2.2.13",
-    "apollo-server": "^2.25.3",
+    "apollo-server": "^3.12.0",
     "apollo-server-express": "^2.4.8",
     "apollo-upload-client": "^14.1.3",
     "babel-loader": "^8.0.5",