test: check `fetch()` polyfill for legacy nodejs versions (google#1306)

docs: add architecture notes (google#1290)

feat: call `taskkill` for process killing on windows (google#1269)

chore: bump version to v8.7.0 (google#1265)

fix: dont override `$.prefix` setting defined via envs, revert `env.S… (

google#1261)

* fix: dont override `$.prefix` setting defined via envs

* revert: `env.SHELL` as default

* test: update size-limit

* refactor: preserve `env.ZX_POSTFIX` value

* chore: bump version to v8.6.2

ci: update github actions (google#1254)

chore: switch v6 to legacy mode (google#1247)

* chore: update gitignore

* chore: attach package-lock.json

* chore: update deps

* ci: reconfigure test & publish workflows

* docs: add zx@6 EOL notice

* chore: bump version to v6.2.6

* test: improve test reliability

* test: fix nodejs 24 tests

ci: use `legacy` channel for publish (google#1245)

* ci: use `legacy` channel for publish

* fix: fix `expBackoff` implementation

chore: update zurk to v0.11.3

chore: update yaml to v2.8.0