- Update the `github.com/santhosh-tekuri/jsonschema` library from v5 to
v6.
- Update the migration loader function to a type, which is now required
in V6.
- `github.com/santhosh-tekuri/jsonschema/v6` was already used by gof3,
so removing the v5 library and using the v6 library reduces the binary
size of Forgejo.
- Before: 95912040 bytes
- After: 95706152 bytes
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>