NUAK1 and cancer: The AMP‐activated protein kinase (AMPK)‐related kinase NUAK1 (NUAK family SNF1‐like kinase 1) has emerged as a potential vulnerability in MYC‐dependent cancer but the biological roles of NUAK1 in different settings are poorly characterised, and the spectrum of cancer types that exhibit a requirement for NUAK1 is unknown.