* Updates to add secret_sync to GKE module in CFF * updated READMEs against the python tfdoc command * updated version for secret_sync to reflect 7.12.0 * update provider versions to 7.12.0 * Updated READMEs which got clobbered by merge with main * Fixed test errors in secret-manager module --------- Co-authored-by: Ludovico Magnocavallo <ludomagno@google.com>