chore(deps): bump graphql-modules from 1.4.4 to 2.0.0

Bumps [graphql-modules](https://github.com/Urigo/graphql-modules) from 1.4.4 to 2.0.0.
- [Release notes](https://github.com/Urigo/graphql-modules/releases)
- [Commits](https://github.com/Urigo/graphql-modules/compare/graphql-modules@1.4.4...graphql-modules@2.0.0)

---
updated-dependencies:
- dependency-name: graphql-modules
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

plugins/graphql-backend/package.json

@@ -38,7 +38,7 @@
     "@backstage/config": "^0.1.14",
     "@backstage/plugin-catalog-graphql": "^0.3.2",
     "@graphql-tools/schema": "^8.3.1",
-    "graphql-modules": "^1.0.0",
+    "graphql-modules": "^2.0.0",
     "@types/express": "^4.17.6",
     "apollo-server": "^3.0.0",
     "apollo-server-express": "^3.0.0",