Switch to torchx from GitHub (i.e. main branch) directly

This is necessary to use `urllib >=  2.6.0` to avoid vulnerabilities:
CVE-2025-66471 and CVE-2025-66418

Signed-off-by: Ben Lewis <[email protected]>

Author: benglewis

pyproject.toml

@@ -23,7 +23,7 @@ dependencies = [
     "catalogue>=2.0.10",
     "fabric>=3.2.2",
     "fiddle>=0.3.0",
-    "torchx>=0.7.0",
+    "torchx @ https://github.com/meta-pytorch/torchx",
     "typer>=0.12.3",
     "rich>=13.7.1",
     "jinja2>=3.1.4",