JuliaMolSim/DFTK.jl: v0.2.7

DFTK v0.2.7

Diff since v0.2.6

Closed issues:

• Integrate with Xtals.jl (#389)
• dVol as a field (#414)
• Pymatgen namespaces change v2022.0.0 (#418)

Merged pull requests:

• Do a Rayleigh-Ritz at the end of direct minimization (#411) (@antoine-levitt)
• Fix GGA non-spin-polarised XC kernel (#412) (@mfherbst)
• Replace ForwardDiff by manual forces (#415) (@niklasschmitz)
• CompatHelper: bump compat for "Polynomials" to "2.0" (#416) (@github-actions[bot])
• Suppress conditional package load warnings (#419) (@mfherbst)