tools: Add --since option to the git commit spell checker

Apparently there was a badly spelled commit added last year.

Author: igo95862

tools/run_linters.py

@@ -81,7 +81,8 @@ def run_codespell_on_commits() -> bool:
                 "log",
                 "--max-count=50",
                 "--no-merges",
-                r"--format='%H%n%n%s%n%n%b'",
+                "--since=2025-01-01",
+                r"--format=%s%n%n%b",
             ),
             cwd=PROJECT_ROOT_PATH,
             stdout=PIPE,