Update TFRT dependency to use revision http://github.com/tensorflow/runtime/commit/f66f87bad3576356f286662b0f4a742ffed33c0d.
Update TFRT dependency to use revision
http://github.com/tensorflow/runtime/commit/f66f87bad3576356f286662b0f4a742ffed33c0d.

PiperOrigin-RevId: 487899263

google/tsl,google/tsl,google/tsl