templates/swagger/v1_json.tmpl updated with `make generate-swagger`
(cherry picked from commit 88899c492efeedd138ba088a36b9c0bc733ead7b)
(cherry picked from commit 7171bd9617c32c4911e3bdbc23c02a19e80d2465)
Change all license headers to comply with REUSE specification.
Fix#16132
Co-authored-by: flynnnnnnnnnn <flynnnnnnnnnn@github>
Co-authored-by: John Olheiser <john.olheiser@gmail.com>