revision 13: fixing an installation issue for Mac OS Ventura and later versions

What's Changed

• Fix for installation on macOS Ventura and later macOS versions (see this issue)
• update the README file and message after the installation to correct some typos.

New Contributors

Full Changelog: 5.2.2.11...5.2.2.13

revision 11: fixing the issues after Xcode version 12

This version includes additional patches and dependencies to compile PGPLOT after Monterey using Xcode version > 12. I haven't tested this new version with older macOS or Xcode.

revision 10: the first version in this repository

Add minor fix on x11 dependency, other brew updates