Bump vim/bundle/vim-airline from `03ec880` to `4a64fbf`
Bump vim/bundle/vim-airline from `03ec880` to `4a64fbf`

Bumps [vim/bundle/vim-airline](https://github.com/vim-airline/vim-airline) from `03ec880` to `4a64fbf`.
- [Release notes](https://github.com/vim-airline/vim-airline/releases)
- [Commits](https://github.com/vim-airline/vim-airline/compare/03ec880101305b41a282ab85f7184f91187392ac...4a64fbfc4bdb2cf91b2b50ca3f41b852061d614e)

Signed-off-by: dependabot-preview[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>
doot/dotfiles,doot/dotfiles