[flang] Merge pull request flang-compiler/f18#1094 from flang-compiler/tsk-format

Reformat with latest clang-format and .clang-format

Original-commit: flang-compiler/f18@96c6be633ff65ec6d84c18e0d14393137d8097dd
Reviewed-on: https://github.com/flang-compiler/f18/pull/1094
tree: 4c635d7122bb81422fdb24f3b21f05b73b298e5f
  1. flang/