feat(indexer): add sdlc indexing metrics

See merge request !301

feat(indexer): add traversal_path to gl_edge table

Closes #145

See merge request !306

feat: setup xtask crate

See merge request !311

feat: xtask for e2e testing infra - gitlab cloud native cluster setup

See merge request !312

feat(xtask): handle cng post-deployment tasks for e2e harness

See merge request !314

feat(xtask): clickhouse setup and migrations for e2e harness

See merge request !315

feat(proto): add gkg-proto Ruby gem build pipeline

Closes #161

See merge request !309

## [0.4.0](v0.3.1...v0.4.0) (2026-02-22)

### Features

* **indexer:** add sdlc indexing metrics ([6a1951b8](6a1951b8)) by Jean-Gabriel Doyon
* **indexer:** add traversal_path to gl_edge table ([f397d689](f397d689)) by Jean-Gabriel Doyon
* **proto:** add gkg-proto Ruby gem build pipeline ([6eb77daf](6eb77daf)) by Michael Angelo Rivera
* setup xtask crate ([7f37c08c](7f37c08c)) by Michael Usachenko
* xtask for e2e testing infra - gitlab cloud native cluster setup ([0b35d0a5](0b35d0a5)) by Michael Usachenko
* **xtask:** clickhouse setup and migrations for e2e harness ([6ff0e442](6ff0e442)) by Michael Usachenko
* **xtask:** handle cng post-deployment tasks for e2e harness ([ddef2bda](ddef2bda)) by Michael Usachenko