build: bump swift-tools-version to 6.0

It also enables Swift 6 language mode on Swift Playground.
This commit is contained in:
Kenta Kubo 2025-03-09 01:38:00 +09:00
parent 03f8802e3b
commit 8ef17080a8
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@ -1,4 +1,4 @@
// swift-tools-version: 5.8
// swift-tools-version: 6.0
// WARNING:
// This file is automatically generated.