REAPIs Testing

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

bazel@7.3.1 bazel@7.3.1_with_remote_asset@4d0f0e2 buildstream@2.3.0 goma@5de52a5e pants@7f64e773 please@v17.11.0_with_remote_asset@4d0f0e2 recc@1.2.20
buildbarn@a889bc0              
buildfarm@2.11.1              
buildgrid@0.1.14