Bump @octokit/graphql-schema from 14.58.0 to 15.26.1

Bumps [@octokit/graphql-schema](https://github.com/octokit/graphql-schema) from 14.58.0 to 15.26.1.
- [Release notes](https://github.com/octokit/graphql-schema/releases)
- [Commits](octokit/graphql-schema@v14.58.0...v15.26.1)

---
updated-dependencies:
- dependency-name: "@octokit/graphql-schema"
  dependency-version: 15.26.1
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

package.json

@@ -62,7 +62,7 @@
     "@graphql-codegen/typescript-operations": "^4.0.4",
     "@octokit/core": "^6.1.2",
     "@octokit/graphql": "^8.1.1",
-    "@octokit/graphql-schema": "^14.56.0",
+    "@octokit/graphql-schema": "^15.26.1",
     "@types/eslint": "^8.56.5",
     "@types/node": "^20.11.24",
     "@typescript-eslint/eslint-plugin": "^7.16.0",