fix file name

Author: selul

.releaserc.yml

@@ -9,7 +9,7 @@ plugins:
   - - "@semantic-release/release-notes-generator"
     - preset: simple-preset
   - - "@semantic-release/exec"
-    - prepareCmd: "export nextReleaseNotes=\"${nextRelease.notes}\" && node bin/update_changelog.js"
+    - prepareCmd: "export nextReleaseNotes=\"${nextRelease.notes}\" && node bin/update-changelog.js"
   - - "@semantic-release/exec"
     - prepareCmd: grunt version::${nextRelease.version} && grunt wp_readme_to_markdown
   - - "semantic-release-slack-bot"