Pixi successfull install message missing a newline

[PanTheDev]

Checks

• I have checked that this issue has not already been reported.

• I have confirmed this bug exists on the latest version of pixi, using pixi --version.

Reproducible example

Any valid pixi.toml with multiple environments should do.

Issue description

The pixi install command prints the installed environments with a missing newline after the The following environments have been installed line.

✔ The following environments have been installeddefault
        documentation
        cd
        testing
        linting
        common

Expected behavior

✔ The following environments have been installed
        default
        documentation
        cd
        testing
        linting
        common