Merge all versions into one changelog
Merge all version files into one changelog file and run any replacement commands.
Note that a newline is added between each version file.
changie merge [flags]
-d, --dry-run Print merged changelog instead of writing to disk, will not run replacements
-h, --help help for merge
-u, --include-unreleased string Include unreleased changes with this value as the header
-j, --project string (Preview) Specify which project we are merging