v2.13.0

LinearOperators v2.13.0

Diff since v2.12.0

Merged pull requests:

• Improve inferrability (#383) (@timholy)
• Add ShiftedOperator for shifted linear operators (#394) (@farhadrclass)
• Patch bfgs upper bound (#399) (@MaxenceGollier)
• Fix allocation issue on julia pre CI (#402) (@MaxenceGollier)
• Fix inferrability of size(::AdjTrans) (#403) (@timholy)
• Skip conj.(v) for real-valued vectors (#404) (@timholy)
• Describe LinearOperator{T, S}(args...) in docs (#405) (@timholy)
• Use hasmethod for checking mul! implementation (#406) (@timholy)

Closed issues:

• Efficient get_nargs (#275)