Buildkite-test-collector

* `Buildkite::TestCollector.tag_execution(key, value)` by pda in https://github.com/buildkite/test-collector-ruby/pull/240

**Full Changelog**: https://github.com/buildkite/test-collector-ruby/compare/v2.8.0...v2.9.0

* Buildkite::TestCollector.tags: specify tags for all executions by pda in https://github.com/buildkite/test-collector-ruby/pull/235
* Add Ruby 3.4 to Buildkite build matrix by gchan in https://github.com/buildkite/test-collector-ruby/pull/236

**Full Changelog**: https://github.com/buildkite/test-collector-ruby/compare/v2.7.2...v2.8.0

- Fixes RSpec library hook bug introduced in v2.7.1 230 - malclocke

- Removes test links from job logs
- Rename Test Analytics to Test Engine

Features:

- Add configurable span filters 220 - catkins

Fixes:

- Correctly report HTTP error during upload 223 - zhming0

- Fix missing failed examples if rspec hooks fail 221 - zhming0