Merge topic 'fmtlib-cherry-pick-warnings'

444d6f76 Merge branch 'upstream-fmt' into fmtlib-cherry-pick-warnings
733b73bb fmt 2022-06-22 (90d87583)
121585b9 bumped fmt to vtk-20220621-8.1.1

Acked-by: Kitware Robot <kwrobot@kitware.com>
Acked-by: Ben Boeckel <ben.boeckel@kitware.com>
Merge-request: !9316