bump versions for next release (#11)

Author: jwoertink

shard.yml

@@ -1,5 +1,5 @@
 name: carbon_sendgrid_adapter
-version: 0.2.0
+version: 0.2.1
 
 authors:
   - Matthew McGarvey <[email protected]>
@@ -11,7 +11,7 @@ license: MIT
 dependencies:
   carbon:
     github: luckyframework/carbon
-    version: ~> 0.2.0
+    version: ~> 0.2.1
   habitat:
     github: luckyframework/habitat
     version: ~> 0.4.7

src/carbon_sendgrid_adapter.cr

@@ -5,7 +5,7 @@ require "./errors"
 require "./carbon_sendgrid_extensions"
 
 class Carbon::SendGridAdapter < Carbon::Adapter
-  VERSION = "0.2.0"
+  VERSION = "0.2.1"
   private getter api_key : String
   private getter? sandbox : Bool