fix: lazy fetch checksums for toolchains (#648)
fix: lazy fetch checksums for toolchains (#648)

Signed-off-by: Thulio Ferraz Assis <04d69908bc7013aa8597192d6307bc4fdb987f98@users.noreply.github.com>
bazelbuild/rules_python,bazelbuild/rules_python,bazelbuild/rules_python