Update minimal black version.

diffoscope/comparators/rust.py

@@ -29,7 +29,7 @@ from .utils.file import File
 
 RLIB_BYTECODE_OBJECT_V1_DATASIZE_OFFSET = 15
 RLIB_BYTECODE_OBJECT_V1_DATA_OFFSET = 23
-ZLIB_DEFAULT_COMPRESSION = b"\x78\x9C"
+ZLIB_DEFAULT_COMPRESSION = b"\x78\x9c"
 
 logger = logging.getLogger(__name__)
 

tests/test_source.py

@@ -34,7 +34,7 @@ def black_version():
     ]
 
 
-@skip_unless_tool_is_at_least("black", black_version, "24.1.1")
+@skip_unless_tool_is_at_least("black", black_version, "25.1.0")
 def test_code_is_black_clean():
     output = subprocess.check_output(
         ("black", "--diff", "."), stderr=subprocess.PIPE