v0.18.4

Gridap v0.18.4

Diff since v0.18.3

Merged pull requests:

• Passing kwargs to simplexify refinement (#1015) (@pmartorell)
• Add VTK encoding options (#1016) (@JordiManyer)
• ZeroMeanFESpace bugfixes (#1020) (@JordiManyer)

Closed issues:

• BLAS/LAPACK not loading in Gridap (#1019)