Feature Request: Modify PR before creation

[veverkap]

In my repository, I'm using Conventional Commits with the semantic PR check. This means that a CI action runs to make sure that the PR has a prefix on it identifying what kind it is (fix/feature/chore/etc).

When using add-wizard this effectively means that gh aw can never merge the PR for me because it always opens a generic un-prefixed PR title. It might be cool to offer a flag to allow folks to change the PR title or other properties.

✓ Created pull request https://github.com/amalgamated-tools/biblioteka/pull/202
✓ Pull request created: https://github.com/amalgamated-tools/biblioteka/pull/202

⚠ Failed to merge PR: merge failed: exit status 1 (output: X Pull request amalgamated-tools/biblioteka#202 is not mergeable: the base branch policy prohibits the merge.
To have the pull request merged after all the requirements have been met, add the `--auto` flag.
To use administrator privileges to immediately merge the pull request, add the `--admin` flag.
)
Please merge the PR manually: https://github.com/amalgamated-tools/biblioteka/pull/202
ℹ Please review and merge the pull request: https://github.com/amalgamated-tools/biblioteka/pull/202

✓ Great – continuing with the merged pull request

✓ Workflow is ready

[pelikhan]

@copilot if the initial PR push fails, try to give the user to ability to edit the title and try again.