templates/swagger/v1_json.tmpl updated with `make generate-swagger`
(cherry picked from commit 88899c492e)
(cherry picked from commit 7171bd9617)
(cherry picked from commit 1a742446c1)
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>