clang-tidy

Workflow runs for clang-tidy

• Fix #615 User-defined literal created from alternative and (#620)

  completed successfully:
  clang-tidy#5:Commit863489apushedbyMatrixMike
  master

  Jan 28, 20264m 39s
  More actions for workflow run 5

• use emplace_back (#619)

  completed successfully:
  clang-tidy#4:Commit10c9681pushedbyMatrixMike
  master

  Jan 19, 202651m 17s
  More actions for workflow run 4

• enabled and fixed modernize-return-braced-init-list clang-tidy warn…

  completed successfully:
  clang-tidy#3:Commit10f5052pushedbyMatrixMike
  master

  Jan 4, 20268m 9s
  More actions for workflow run 3

• added MinGW workflow (#475)

  completed successfully:
  clang-tidy#2:Commit10cfb94pushedbyMatrixMike
  master

  Dec 31, 202544m 2s
  More actions for workflow run 2

• avoid some unchecked pointer dereferences (#593)

  completed successfully:
  clang-tidy#1:Commit72ecd54pushedbyMatrixMike
  master

  Dec 1, 20252m 3s
  More actions for workflow run 1