fix: bump AUR deploy action to v4.1.2 (#1909)

Fix `primary_remote()` failing when non-remote config keys match the regex. (#1908)

Release v0.34.1

fix: spawn background pipelines per hook-type (#1904)

fix: restore dedicated copy thread pool to avoid CPU saturation (#1905)

perf: parallelize integration checks in `step prune` (#1890)

refactor: extract classify_unknown_key to deduplicate warn logic (#1902)

Release v0.34.0

refactor: remove dedicated copy thread pool (#1901)

fix: warn when deprecated config key appears in wrong config file (#1899)

docs: draft 0.34 release notes (#1892)

chore: bump taiki-e/install-action from 2.70.2 to 2.71.2 (#1897)

fix: distinguish merge-tree conflicts from real errors (#1896)

feat: Rust-orchestrated pipeline execution with stdin spec passing (#1893)

refactor: use static LazyLock pool for copy operations (#1894)