Merge branch 'master' of github.com:spotify/backstage into mob/union-types

* 'master' of github.com:spotify/backstage: (656 commits)
  Update playback-order-component.yaml (#2495)
  feat: rework Api Explorer components
  Add GitLab integration for scaffolder
  feat(catalog-backend): support GHE and other GitHub providers
  Add scaffolder config to monorepo (#2492)
  Simplify code
  prettified md
  Added PlantUML diagrams in backstage.io docs (#2413)
  chore(deps): bump nodegit from 0.26.5 to 0.27.0 (#2454)
  grammar correction
  added description header field
  added description header field
  added description header field
  added description header field
  added description header field
  Condense if to else if
  Update docs
  Reword
  Make access optional
  eslintignore: add template dirs
  ...

plugins/graphql/src/service/router.ts

@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-import { errorHandler } from '@backstage/backend-common';
+import { errorHandler, resolvePackagePath } from '@backstage/backend-common';
 import express from 'express';
 import Router from 'express-promise-router';
 import { Logger } from 'winston';
@@ -26,9 +26,9 @@ import { createModule as createCatalogModule } from '@backstage/plugin-catalog-g
 import { Config } from '@backstage/config';
 import helmet from 'helmet';
 
-const schemaPath = path.resolve(
-  require.resolve('@backstage/plugin-graphql-backend/package.json'),
-  '../schema.gql',
+const schemaPath = resolvePackagePath(
+  '@backstage/plugin-graphql-backend',
+  'schema.gql',
 );
 
 export interface RouterOptions {