docs: fix link to CHANGELOG in latest-version shield

Author: simschla

README.md

@@ -4,7 +4,7 @@ _Keep your code Spotless from the command line_
 
 <!---freshmark shields
 output = [
-  link(shield('SpotlessCLI Version', 'latest-version', '{{spotlessVersion}}', 'blue'), 'CHANGES.md'),
+  link(shield('SpotlessCLI Version', 'latest-version', '{{spotlessVersion}}', 'blue'), 'CHANGELOG.md'),
   '',
   link(shield('OS Win', 'OS', 'Windows', 'blueviolet'), '#installation-on-windows'),
   link(shield('OS Linux', 'OS', 'Linux', 'blueviolet'), '#installation-on-macos-and-linux'),