* Update references for cc toolchain after removal of @bazel_tools//cpp/cc_toolchain_config.bzl in 1727361563
* Update to bazel 6.1.0
* Update cross-toolchain configs
* Regenerate cross-toolchain configs
* Remove some extra whitespaces
* Run gazelle and add that note to the README
* Format numbered lists better in markdown
* gcloud docker command is deprecated, just use docker
* Add comment about docker credentials for gcr.io
* Update dockerfile, some remote executor config work
* gazelle
* Remove commented lines
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Co-authored-by: prylabs-bulldozer[bot] <58059840+prylabs-bulldozer[bot]@users.noreply.github.com>
