Sort scanner attributes

githooks/scanner.py

@@ -12,8 +12,8 @@ class CommitMessageScanner:
     def __init__(self, commit_flname: str) -> None:
         self.commit_flname = commit_flname
         self.commit_lines: list[str] = []
-        self.subject_tags: set[str] = set()
         self.subject_line: str = ""
+        self.subject_tags: set[str] = set()
         self.non_headers: list[str] = []
 
     def scan(self) -> None: