uv/tests: update snapshot for regression test

The `tomli` dependency is now included for `python_version <= 3.11`,
which is what is expected.

Fixes #6412

crates/uv/tests/pip_compile.rs

@@ -12222,7 +12222,7 @@ matplotlib
         # via pandas
     six==1.16.0
         # via python-dateutil
-    tomli==2.0.1 ; python_full_version == '3.11'
+    tomli==2.0.1 ; python_full_version <= '3.11'
         # via coverage
     tzdata==2024.1
         # via pandas