bump versions for next release (#19)

Author: jwoertink

shard.yml

@@ -1,10 +1,10 @@
 name: carbon_sendgrid_adapter
-version: 0.4.0
+version: 0.5.0
 
 authors:
   - Matthew McGarvey <[email protected]>
 
-crystal: '>= 1.4.0'
+crystal: '>= 1.10.0'
 
 license: MIT
 

src/carbon_sendgrid_adapter.cr

@@ -6,7 +6,7 @@ require "./errors"
 require "./carbon_sendgrid_extensions"
 
 class Carbon::SendGridAdapter < Carbon::Adapter
-  VERSION = "0.4.0"
+  VERSION = "0.5.0"
   private getter api_key : String
   private getter? sandbox : Bool