REAPIs Testing

A compatability matrix between implementations of the Remote-Execution API.

bazel@7.1.1 bazel@7.1.1_with_remote_asset@d3fcdae buildstream@2.1.0 goma@5de52a5e pants@f37c500e please@v17.8.6_with_remote_asset@d3fcdae recc@1.1.5
buildbarn@a9d0937              
buildfarm@2.10.0              
buildgrid@0.0.90