chore: Release package fitsio version 0.21.10
chore: Release package fitsio version 0.21.9
chore: Release package fitsio-sys version 0.5.7
chore: Release package fitsio version 0.21.8
chore: Release package fitsio-sys version 0.5.6
chore: Release package fitsio version 0.21.7
chore: Release package fitsio-sys version 0.5.5
chore: Release package fitsio version 0.21.6
chore: Release package fitsio-sys version 0.5.4
chore: Release package fitsio version 0.21.5