Change Amazon.Lambda.Core version to 1.0.0 to support more versions from the client

Author: hjgraca

libraries/src/AWS.Lambda.Powertools.Idempotency/AWS.Lambda.Powertools.Idempotency.csproj

@@ -30,7 +30,7 @@
     </ItemGroup>
 
     <ItemGroup>
-      <PackageReference Include="Amazon.Lambda.Core" Version="2.1.0" />
+      <PackageReference Include="Amazon.Lambda.Core" Version="1.0.0" />
       <PackageReference Include="AWSSDK.DynamoDBv2" Version="3.7.104.1" />
       <PackageReference Include="JmesPath.Net" Version="1.0.308" />
     </ItemGroup>