fix: remove an index after _entities in errors path

[ysmolski]

This index does not mean anything to the user, so we better remove it.

Summary by CodeRabbit

• Chores
  • Updated core GraphQL tooling dependency to the latest release candidate for improved compatibility and stability.
• Tests
  • Adjusted integration test expectations for error path reporting to align with upstream changes; no impact on runtime behavior or user-facing functionality.

[coderabbitai]

Walkthrough

Bumped github.com/wundergraph/graphql-go-tools/v2 from v2.0.0-rc.228 to v2.0.0-rc.229 in router and router-tests modules. Updated a test’s expected error path in router-tests/integration_test.go.

Changes

Cohort / File(s)	Summary
Dependency bump (graphql-go-tools) router/go.mod, router-tests/go.mod	Update dependency github.com/wundergraph/graphql-go-tools/v2 from v2.0.0-rc.228 to v2.0.0-rc.229.
Test expectation update router-tests/integration_test.go	Adjust expected error extensions.path from ["products","@","lead","0","isAvailable"] to ["products","@","lead","isAvailable"].

Estimated code review effort

🎯 2 (Simple) | ⏱️ ~10 minutes

Possibly related PRs

• fix: go.mod references to security merge commit #2048 — Also updates go.mod to bump github.com/wundergraph/graphql-go-tools/v2, indicating a related dependency alignment.

Pre-merge checks and finishing touches

❌ Failed checks (1 warning)

Check name	Status	Explanation	Resolution
Docstring Coverage	⚠️ Warning	Docstring coverage is 0.00% which is insufficient. The required threshold is 80.00%.	You can run @coderabbitai generate docstrings to improve docstring coverage.

✅ Passed checks (2 passed)

Check name	Status	Explanation
Title Check	✅ Passed	The pull request title succinctly describes the main change by indicating the removal of an unnecessary index after “_entities” in error paths, directly reflecting the described update and adhering to the Conventional Commits style.
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.

✨ Finishing touches

• 📝 Generate Docstrings

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_{Comment @coderabbitai help to get the list of available commands and usage tips.}

[github-actions]

Router-nonroot image scan passed

✅ No security vulnerabilities found in image:

ghcr.io/wundergraph/cosmo/router:sha-21fc8dd72082862958de7e8fdc735e654ea25d7e-nonroot