chore: Use tagged versions of the TCK (#879)

Author: kabir

.github/workflows/run-tck.yml

@@ -11,8 +11,8 @@ on:
 
 env:
   # Tag/branch of the TCK
-  TCK_VERSION: 1.0-dev
-  TCK_VERSION_0_3: 0.3.x
+  TCK_VERSION: 1.0.0.alpha1
+  TCK_VERSION_0_3: 0.3.0.beta5
   # Tells uv to not need a venv, and instead use system
   UV_SYSTEM_PYTHON: 1
   SUT_URL: http://localhost:9999