fix(phpstan): correct exception handling and update code formatting

The commit contains the following main changes:

1. Updated exception handling in ajax/disconnectAccount.php. Removed the handling for QUI\Auth\Google\Exception.

2. Significantly reduced ignored errors in phpstan-baseline.neon, indicating an overall improvement in code quality and removal of potential bugs.

3. Applied consistent use of spaces around "|" operator in several method signatures within the src/QUI/Auth/Google/Google.php file.

Related: #8 (closed)