[deps]: Update AWSSDK.KeyManagementService to v4

Author: renovate[bot]

version-bump/tests/fixtures/test.csproj

@@ -9,7 +9,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="AWSSDK.KeyManagementService" Version="[3.7.400.53]" />
+    <PackageReference Include="AWSSDK.KeyManagementService" Version="[4.0.3.1]" />
     <PackageReference Include="Azure.Identity" Version="[1.13.1]" />
     <PackageReference Include="Azure.Security.KeyVault.Certificates" Version="[4.7.0]" />
     <PackageReference Include="Azure.Security.KeyVault.Keys" Version="[4.7.0]" />