upstream

bj/allow-setting-exec_group-in-more-places

swift-exec-group

bj/move-the-c-toolchain-into-its-own-execution-group-so-that-it-does-not-have-to-be-bound-by-the-same-constraints-as-the-execution-platform-selected-for-the-swift-toolchain

bj/fix-swift_toolchain_type-to-work-with-bzlmod-aeg

bj/enable-aegs

luis/4.x

bj/use-newer-split-module-flag-with-swift-5.4

luis/rename-num-threads-feature-match-upstream

bj/revert-lock-last_green-until-a-bep-bug-is-fixed-1569

bj/debug-hang

luis/add-transitive-swift-import-example