feat: introduce package traits of Swift 6.1 (#172)

* feat: introduce package traits of Swift 6.1

* fix: CI

* fix: android toolchain install script

* fix: ci for windows

* chore: add debug dump of sdk list

* fix: update devcontainer swift image

* fix?

* chore: remove LLAMA_MOCK=1 since it is no longer required

* chore: add debug print of configuration

* fix: typo

* chore: use signed xcframework of azooKey/llama.cpp

* chore: use updated xcframework

* chore: use updated xcframework

* chore: use updated xcframework

* chore: use updated xcframework

* chore: use updated xcframework

* docs: add usage of Zenzai trait

.devcontainer/devcontainer.json

@@ -1,6 +1,6 @@
 {
     "name": "Swift",
-    "image": "swift:6.0",
+    "image": "swift:6.1",
     "features": {
         "ghcr.io/devcontainers/features/common-utils:2": {
             "installZsh": "false",