Fix spelling of "reproducible" in CHANGELOG.md.

Author: DavidAnson

CHANGELOG.md

@@ -4,7 +4,7 @@
 
 - Add support for Node.js's `package.json` as a configuration file source
 - Add output formatter for Static Analysis Results Interchange Format/SARIF
-- Bundle `npm-shrinkwrap.json` for reproducable/faster installs
+- Bundle `npm-shrinkwrap.json` for reproducible/faster installs
 - Update dependencies (including `markdownlint`)
 
 ## 0.8.1