We need to turn this into an automated build process, but it's manual for now. Here are the steps.
TERMS_OF_SERVICE By creating or modifying this file you agree to Google Tag Manager's Community Template Gallery Developer Terms of Service available at https://developers.google.com/tag-manager/gallery-tos (or such other URL as Google may provide), as modified from time to time.
"categories": ["ANALYTICS", "HEAT_MAP", "SESSION_RECORDING"],
Commit those changes to template.tpl
Run git log
and copy the commit SHA ID for the change you want. Then paste that into metadata.yml and update the sha field.