changelog.md -> CHANGELOG.md

Author: David Haeffner

changelog.md CHANGELOG.mdchangelog.md renamed to CHANGELOG.md

@@ -18,7 +18,7 @@ if (!token)
 
 // fetch changelog details
 const changelog = exec(
-  `sed '1,/${tag}/d;/## v/q' ./changelog.md | sed '/^ *$/q'`,
+  `sed '1,/${tag}/d;/## v/q' ./CHANGELOG.md | sed '/^ *$/q'`,
   {
     encoding: 'utf8',
   }