v5.1.0

DataInterpolations v5.1.0

Diff since v5.0.0

Merged pull requests:

• fix: get element type from interp.u instead of interp (#254) (@sathvikbhagavan)
• fix: remove abstract type from RegularizationSmooth (#256) (@mleseach)
• build: bump compat to get downgrade working (#257) (@sathvikbhagavan)

Closed issues:

• Error displaying symbolic interpolations (#244)
• Type instability: Interpolations in v5 return Vector{Any} with all-Vector{Float64} inputs (#253)
• Bad type inference with RegularizationSmooth (#255)