all: Upgrade to ruff v0.9.6.

Signed-off-by: Christian Clauss <cclauss@me.com>

tests/cpydiff/module_array_constructor.py

@@ -4,6 +4,7 @@ description: Overflow checking is not implemented
 cause: MicroPython implements implicit truncation in order to reduce code size and execution time
 workaround: If CPython compatibility is needed then mask the value explicitly
 """
+
 import array
 
 a = array.array("b", [257])