v21.2.18
refactor(common): update copyright to Google LLC
build: update to bazel version 8.4.2
build: update symbol extractor tests to stabalize the order of the symbols listed (#64389)
build: rename defaults2.bzl to defaults.bzl (#63383)
build: use pnpm as the package manager instead of yarn (#62924)
build: rework symbol extractor to support lazy/common chunks (#61566)
build: remove all usages of @bazel/runfiles (#62804)