chore(deps): update terraform aws to v6.9.0

See merge request !661

chore(deps): update pre-commit hook gitlab-com/gl-infra/common-ci-tasks to v2.88

See merge request !662

  - Add coverage_build job to create instrumented binary
  - Update test_shunit job to collect coverage during bash script execution
  - Generate coverage reports in text and Cobertura XML formats
  - Configure GitLab CI to display coverage percentage and artifacts

- Add terra-transformer-coverage build target to goreleaser config
- Configure coverage build with gcflags for instrumentation
- Update test_shunit job to extract and use coverage binary from goreleaser artifacts
- Generate coverage reports in text and Cobertura XML formats
- Configure GitLab CI to display coverage percentage and artifacts

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Co-Authored-By: Claude <noreply@anthropic.com>

tests: Add code coverage collection for integration tests                     ...

See merge request !664

fix(deps): update module google.golang.org/protobuf to v1.36.8

See merge request !666

chore(deps): update terraform aws to v6.10.0

See merge request !667