Update version info to 4.0.3 (#1062)
Merged
HE
8d ago+13+13+01234567890123456789-2-2-0123456789
Version bump for fork PR #1062.
Summary by cubic
Bumps XMOJ to 4.0.3, a prerelease that switches the dev domain to https://dev.xmoj-script.uk/.
Version bump for fork PR #1062.
Bumps XMOJ to 4.0.3, a prerelease that switches the dev domain to https://dev.xmoj-script.uk/.