rename bazelisk-darwin-amd64 to bazelisk (#1535)
rename bazelisk-darwin-amd64 to bazelisk (#1535)

install should rename baselisk executable before chmod -- small typo

Co-authored-by: Frank Laub <2071457f61560056f8459aecf2caa947bebee00c@intel.com>
plaidml/plaidml,plaidml/plaidml,plaidml/plaidml,plaidml/plaidml