Merge pull request #920 from Bodigrim/patch-1

Distribute changelog with attoparsec-iso8601

Author: phadej

attoparsec-iso8601/attoparsec-iso8601.cabal

@@ -17,6 +17,7 @@ build-type:      Simple
 tested-with:     GHC == 8.0.2, GHC == 8.2.2, GHC == 8.4.4, GHC == 8.6.5, GHC == 8.8.4, GHC == 8.10.4, GHC == 9.0.1
 extra-source-files:
   README.md
+  changelog.md
 
 flag developer
   description: operate in developer mode