v0.18.10

Singular v0.18.10

Diff since v0.18.9

Merged pull requests:

• Divrem fixes (#689) (@ederc)
• Update to latest libsingular_julia/Singular_jll (#693) (@hannes14)
• Add hilbert_series (#694) (@hannes14)
• fres for smodule (#695) (@hannes14)
• fix handling of errors in singular libraries (#696) (@hannes14)
• Add Singular.randseed! wrapper (#697) (@fingolfin)
• Run treehash CI test on PRs, too, to increase its visibility (#698) (@fingolfin)
• Update libsingular_julia (#699) (@fingolfin)