v6.8.0

Bumped!

Diff: v6.7.1...v6.8.0

Changes:

• GroupActionCollection: fix validation scope [d7260e9] (@paveljanda)
• DataGrid: fix validation scope when canceling inline edit [27aed05] (@paveljanda)
• composer: require nette/forms ^3.1.3 [3450861] (@paveljanda)
• github/workflows: remove php 7.2, 7.3 [aa59e9f] (@paveljanda)
• phpstan.neon made more readable [b069180] (@paveljanda)