Update asana gem to v0.10.3 for Ruby 3 support

This pulls in https://github.com/Asana/ruby-asana/pull/99 and allows
Ruby v3.0 to be used with this gem.

Gemfile

@@ -255,7 +255,7 @@ gem 'slack-messenger', '~> 2.3.4'
 gem 'hangouts-chat', '~> 0.0.5'
 
 # Asana integration
-gem 'asana', '0.10.2'
+gem 'asana', '~> 0.10.3'
 
 # FogBugz integration
 gem 'ruby-fogbugz', '~> 0.2.1'

Gemfile.lock

@@ -76,7 +76,7 @@ GEM
     apollo_upload_server (2.0.2)
       graphql (>= 1.8)
       rails (>= 4.2)
-    asana (0.10.2)
+    asana (0.10.3)
       faraday (~> 1.0)
       faraday_middleware (~> 1.0)
       faraday_middleware-multi_json (~> 0.0)
@@ -1274,7 +1274,7 @@ DEPENDENCIES
   addressable (~> 2.7)
   akismet (~> 3.0)
   apollo_upload_server (~> 2.0.2)
-  asana (= 0.10.2)
+  asana (~> 0.10.3)
   asciidoctor (~> 2.0.10)
   asciidoctor-include-ext (~> 0.3.1)
   asciidoctor-kroki (~> 0.2.2)