fix versiom bump logic

Author: Sophia Marie Terry

.github/workflows/ipa-changelog.yml

@@ -29,7 +29,7 @@ jobs:
         previous_version=$(git tag --sort=-v:refname | head -n 1 || echo "none")
         echo "Previous version: $previous_version"
 
-        version_bump=$([[ "$previous_version" != "v$current_version" ]])
+        version_bump=$([[ "$previous_version" != "v$current_version" ]] && echo "true" || echo "false")
     - name: Check Changelog
       env: 
         NEW_VERSION: ${{ steps.version_check.outputs.version_bump }}