update: changelog and readme for v0.5.2

Author: Zelda Hessler

CHANGELOG.md

@@ -1,4 +1,16 @@
 <!-- Do not manually edit this file, use `update-changelogs` -->
+0.5.2 (January 20th, 2022)
+==========================
+
+**New this release:**
+- 🐛 ([smithy-rs#1100](https://github.com/awslabs/smithy-rs/issues/1100)) _Internal:_ Update sync script to run gradle clean. This fixes an issue where codegen was not triggered when only properties changed.
+
+v0.5.1 (January 19th, 2022)
+===========================
+
+**New this release:**
+- 🐛 ([smithy-rs#1089](https://github.com/awslabs/smithy-rs/issues/1089)) Fix dev-dependency cycle between aws-sdk-sso and aws-config
+
 0.5.0 (January 19, 2022)
 ========================
 **New this release:**

README.md

@@ -1,4 +1,4 @@
-# The AWS SDK for Rust [![Docs](https://img.shields.io/badge/docs-v0.5.0-blue)](https://awslabs.github.io/aws-sdk-rust/) ![MSRV](https://img.shields.io/badge/msrv-1.54-red) [![Usage Guide](https://img.shields.io/badge/Developer_Guide-blue)](https://docs.aws.amazon.com/sdk-for-rust/latest/dg/welcome.html)
+# The AWS SDK for Rust [![Docs](https://img.shields.io/badge/docs-v0.5.2-blue)](https://awslabs.github.io/aws-sdk-rust/) ![MSRV](https://img.shields.io/badge/msrv-1.54-red) [![Usage Guide](https://img.shields.io/badge/Developer_Guide-blue)](https://docs.aws.amazon.com/sdk-for-rust/latest/dg/welcome.html)
 
 This repo contains the new AWS SDK for Rust (the SDK) and its [public roadmap](https://github.com/awslabs/aws-sdk-rust/projects/1).
 
@@ -19,8 +19,8 @@ The SDK provides one crate per AWS service. You must add [Tokio](https://crates.
 
     ```toml
     [dependencies]
-    aws-config = "0.5.0"
-    aws-sdk-dynamodb = "0.5.0"
+    aws-config = "0.5.2"
+    aws-sdk-dynamodb = "0.5.2"
     tokio = { version = "1", features = ["full"] }
     ```