fix(test): read source as UTF-8 in the bare-Console AST sweep

The guard called path.read_text() with no encoding, so it used the locale
codec. On Windows that is cp1252, which cannot decode the ⏱️ in timing.py:119,
and the test died with UnicodeDecodeError before it could assert anything --
failing every windows-latest job in the matrix while passing on Linux and
macOS.

Reproduced locally by forcing the codec: read_text(encoding="cp1252") on
timing.py raises at byte 3610; utf-8 reads it fine.

Author: GregHolmes

packages/deepctl-core/tests/unit/test_output_channels.py

@@ -70,7 +70,11 @@ def test_no_module_declares_a_bare_console(self) -> None:
         offenders: list[str] = []
 
         for path in sorted(CORE_SRC.glob("*.py")):
-            tree = ast.parse(path.read_text(), filename=str(path))
+            # encoding is explicit because read_text() otherwise uses the
+            # locale codec -- cp1252 on Windows, which cannot decode the
+            # emoji in timing.py and fails the whole matrix.
+            source = path.read_text(encoding="utf-8")
+            tree = ast.parse(source, filename=str(path))
             for node in ast.walk(tree):
                 if not isinstance(node, ast.Call):
                     continue