Use Linux containers to build for x64 and arm64
Use Linux containers to build for x64 and arm64

This is to avoid linking to newer Glibc versions causing errors on older Linux
distros as seen in https://github.com/realm/realm-js/issues/5006

realm/realm-js,realm/realm-js,realm/realm-js,realm/realm-js,realm/realm-js,realm/realm-js,realm/realm-js,realm/realm-js,realm/realm-js