LcdMenu 2.1.3

What's Changed

• add isSubMenu by @thijstriemstra in #81
• example: fix typo by @thijstriemstra in #78
• add setCursorPosition by @thijstriemstra in #80
• ci: update dependencies by @thijstriemstra in #77
• add public reset method by @thijstriemstra in #79

Full Changelog: 2.1.2...2.1.3