message: change extension back to .h
diff: @@ -17,7 +17,7 @@ formatted_directories = ['src', 'benchmark', 'test', 'tools', 'examples', 'exten
  ignored_files = ['tpch_constants.hpp', 'tpcds_constants.hpp', '_generated', 'tpce_flat_input.hpp',
  'test_csv_header.hpp', 'duckdb.cpp', 'duckdb.hpp', 'json.hpp', 'sqlite3.h', 'shell.c',
  'termcolor.hpp', 'test_insert_invalid.test', 'httplib.hpp', 'os_win.c', 'glob.c', 'printf.c',
  - 'helper.hpp', 'single_thread_ptr.hpp', 'types.hpp', 'release.hpp']
  + 'helper.hpp', 'single_thread_ptr.hpp', 'types.hpp', 'release.h']
  ignored_directories = ['.eggs', '__pycache__', 'icu', 'dbgen', os.path.join('tools', 'pythonpkg', 'duckdb'), os.path.join('tools', 'pythonpkg', 'build'), os.path.join('tools', 'rpkg', 'src', 'duckdb')]
  format_all = False
  check_only = True
  