gh-914: fix versions for array backends for 3.10 (#916)

Author: paddyroddy

tests/fixtures/array_backends.py

@@ -52,7 +52,7 @@ def _check_version(lib: str, array_api_compliant_version: str) -> None:
 
 def _import_and_add_numpy(xp_available_backends: dict[str, ModuleType]) -> None:
     """Add numpy to the backends dictionary."""
-    _check_version("numpy", "2.3.5")
+    _check_version("numpy", "2.2.6")
     xp_available_backends["numpy"] = np
 
 
@@ -71,7 +71,7 @@ def _import_and_add_jax(xp_available_backends: dict[str, ModuleType]) -> None:
     """Add jax to the backends dictionary."""
     import jax  # noqa: PLC0415
 
-    _check_version("jax", "0.8.1")
+    _check_version("jax", "0.6.2")
     xp_available_backends["jax.numpy"] = jax.numpy
     # enable 64 bit numbers
     jax.config.update("jax_enable_x64", val=True)