add 2024 tax docs (#9144)

Author: lizokm

docs/product/security/W-9-2024-Functional-Software-Inc-signed.pdf

@@ -7,7 +7,7 @@ description: "Access Sentry's tax documents."
 Below you'll find Sentry's 2023 tax documents, including the tax residency certificate, W9, 10F, No PE undertaking, and DGT-1 forms. If the document you're looking for isn't listed here, visit [help.sentry.io](http://help.sentry.io/).
 
 - [Tax Residency Certificate CY2023 (General Version)](/pdfs/2023-Form-6166_general.pdf)
-- [W9 CY2023](/pdfs/W-9_2023-Functional-Software-Inc_signed.pdf)
+- [W9 CY2024](/pdfs/W-9-2024-Functional-Software-Inc-signed.pdf)
 - [India: No PE Undertaking CY 2023](/pdfs/Form_10F_Filed_Form_EXTERNAL_04-2023_to_12-2023.pdf)
 - [India: No PE Undertaking CY 2024](/pdfs/India-No-PE-Undertaking-Form_2024_Signed.pdf)
 - [No PE Undertaking CY 2023](/pdfs//No-PE-Undertaking-Form_2023_Signed.pdf)