Better support for Omada 6.2

What's Changed

• Add controller info endpoint model (Related issue: #75) by @rubempoli in #78
• Add VPN policy enable/disable support by @thannerfabian in #80
• Fix switch port overrides for ports with no override already in Omada 6.2 (Fixes issue: #79) by @MarkGodwin in #81
• Version bump by @MarkGodwin in #82

New Contributors

• @rubempoli made their first contribution in #78
• @thannerfabian made their first contribution in #80

Full Changelog: release/v1.5.7...release/v1.5.8