v0.9.4

Spglib v0.9.4

Diff since v0.9.3

Merged pull requests:

• Resolve memory unsafety in unpacking C enum (#184) (@kbarros)
• Add tests to get_error_code (#185) (@singularitti)
• Restrict spglib_jll.jl to up to 2.1.0 (#186) (@singularitti)

Closed issues:

• Spglib v2.2.0 has made changes that break some tests (#178)
• Symmetry Operations on Cell not working (#182)
• Memory corruption in 0.9.3 (#183)