You cannot get a stimulus payment using the 2023 tax return.
You will have to amend the 2021 tax return that you filed and complete the Recovery Rebate Credit section.
See this TurboTax support FAQ for amending a tax return - https://ttlc.intuit.com/turbotax-support/en-us/help-article/tax-return/amend-change-correct-return-a...
