Upgrade ring to 13.2
Upgrade ring to 13.2

This fixes building sccache using MSVC 15.8, which includes Spectre mitigations which cause earlier versions of ring to fail to build.
luser/sccache2,glandium/sccache,glandium/sccache,mozilla/sccache,mozilla/sccache,glandium/sccache,luser/sccache2,luser/sccache2,glandium/sccache,mozilla/sccache,luser/sccache2