SARIF format is not supported yet

[gilescope]

Can we please get sarif output supported:

./scorecard --local . --output scorecard-results.sarif --format sarif

2026/01/05 09:41:16 error during command execution: validating options: some options could not be validated: [SARIF format is not supported yet]

[gilescope]

(Some combo of cli flags has sarif output as default...). Given github uploads to this format it's helpful for it to be supported.