Shorten deprecation window.

Co-authored-by: Eric Arellano <14852634+Eric-Arellano@users.noreply.github.com>

src/python/pants/python/python_setup.py

@@ -50,7 +50,7 @@ def parse(cls, value: bool | str) -> bool:
             bool_value = enum_value is not cls.NEVER
             deprecated_conditional(
                 lambda: True,
-                removal_version="2.7.0.dev0",
+                removal_version="2.6.0.dev0",
                 entity_description="python-setup resolve_all_constraints non boolean values",
                 hint_message=f"Instead of {enum_value.value!r} use {bool_value!r}.",
             )