ci(check_files): use sorted list of files

Use a sorted list of files so the output is more deterministic. Purely
cosmetic. True randomness would actually improve our search times here.

Signed-off-by: Randolph Sapp <rs@ti.com>

Author: StaticRocket

bin/check_files.py

@@ -13,7 +13,7 @@
 logger = logging.getLogger(__name__)
 
 SOURCE_PATH = Path("source/")
-RST_SOURCE = set(SOURCE_PATH.glob("**/*.rst"))
+RST_SOURCE = sorted(SOURCE_PATH.glob("**/*.rst"))
 IGNORED = re.compile(r"([^_].*\.rst)|(version\.txt)")