docs: sync security documentation from cosmos/security (#269)

Co-authored-by: evanorti <87997759+evanorti@users.noreply.github.com>

Author: github-actions[bot]

sdk/v0.53/security/audits.mdx

@@ -6,7 +6,7 @@ description: "Security audits and transparency reports for Cosmos Stack componen
 <Info>
 This page is auto-generated from the [cosmos/security](https://github.com/cosmos/security) repository.
 
-**Last synced:** Mar 23, 2026 | [View all audits](https://github.com/cosmos/security/tree/main/audits)
+**Last synced:** Mar 30, 2026 | [View all audits](https://github.com/cosmos/security/tree/main/audits)
 </Info>
 
 Cosmos Labs maintains a comprehensive security program for all Cosmos Stack components. This page provides links to third-party security audits and transparency reports.

sdk/v0.53/security/bug-bounty.mdx

@@ -6,7 +6,7 @@ description: "Security and maintenance policy documentation for the Cosmos Stack
 <Info>
 This content is sourced from the official [Cosmos Security](https://github.com/cosmos/security) repository. 
 
-**Last sync:** Mar 23, 2026 | [View source](https://github.com/cosmos/security/blob/main/SECURITY.md)
+**Last sync:** Mar 30, 2026 | [View source](https://github.com/cosmos/security/blob/main/SECURITY.md)
 </Info>
 
 ## Introduction

sdk/v0.53/security/security-policy.mdx

@@ -6,7 +6,7 @@ description: "Security and maintenance policy documentation for the Cosmos Stack
 <Info>
 This content is sourced from the official [Cosmos Security](https://github.com/cosmos/security) repository. 
 
-**Last sync:** Mar 23, 2026 | [View source](https://github.com/cosmos/security/blob/main/POLICY.md)
+**Last sync:** Mar 30, 2026 | [View source](https://github.com/cosmos/security/blob/main/POLICY.md)
 </Info>
 
 ## Overview