chore: release 0.18.0

Author: aws-sdk-kotlin-ci

.changes/19e30aaf-5796-40b3-8a83-a5f04641981c.json

@@ -1,5 +1,16 @@
 # Changelog
 
+## [0.18.0] - 05/04/2023
+
+### Features
+* [#661](https://github.com/awslabs/smithy-kotlin/issues/661) **Breaking**: Add HTTP engine configuration for minimum TLS version. See the [BREAKING: Streamlined TLS configuration](https://github.com/awslabs/aws-sdk-kotlin/discussions/909) discussion post for more details.
+* BREAKING: rename SdkLogMode to LogMode
+* [#432](https://github.com/awslabs/aws-sdk-kotlin/issues/432) Enable resolving LogMode from environment
+
+### Fixes
+* Fix incorrect waiter codegen due to dropped projection scope
+* Fix broken shape cursor when generating acceptor subfield projections.
+
 ## [0.17.4] - 04/27/2023
 
 ### Fixes

.changes/1af71df0-f584-493e-85ab-2ee3e853c827.json

@@ -6,7 +6,7 @@ kotlin.native.ignoreDisabledTargets=true
 kotlin.mpp.enableCompatibilityMetadataVariant=true
 
 # SDK
-sdkVersion=0.18.0-SNAPSHOT
+sdkVersion=0.18.0
 
 # kotlin
 kotlinVersion=1.8.10
@@ -44,4 +44,4 @@ kotlinLoggingVersion=3.0.0
 slf4jVersion=2.0.6
 
 # crt
-crtKotlinVersion=0.6.8
+crtKotlinVersion=0.6.8