Update CHANGELOG.md

Author: codedmart

CHANGELOG.md

@@ -6,13 +6,17 @@ This changelog documents the changes between release versions.
 
 Changes to be included in the next upcoming release
 
+## [0.5.1] - 2025-08-25
+
+- Cargo audit updates for security vulnerabilities
+
 ## [0.5.0] - 2024-10-29
 
 - add utilities to [implement PrintSchemaAndCapabilities](https://github.com/hasura/ndc-sdk-rs/pull/34). This splits the sdk into multiple crates to avoid bringing in openssl
 
 ## [0.4.0] - 2024-08-30
 
-- update ndc-spec to v0.1.6 by @soupi in https://github.com/hasura/ndc-sdk-rs/pull/28
+- update ndc-spec to v0.1.6 by @soupi in <https://github.com/hasura/ndc-sdk-rs/pull/28>
 
 ## [0.3.0] - 2024-08-12
 
@@ -21,7 +25,7 @@ Changes to be included in the next upcoming release
 
 ## [0.2.2] - 2024-07-30
 
-- listen on all ipv4 and ipv6 interfaces by default (https://github.com/hasura/ndc-sdk-rs/pull/22)
+- listen on all ipv4 and ipv6 interfaces by default (<https://github.com/hasura/ndc-sdk-rs/pull/22>)
 
 ## [0.2.1] - 2024-07-11