CompatHelper: bump compat for DSP to 0.8, (keep existing compat) (#100)

Co-authored-by: CompatHelper Julia <compathelper_noreply@julialang.org>

Author: github-actions[bot]

Project.toml

@@ -20,7 +20,7 @@ Unitful = "1986cc42-f94f-5a68-af5c-568840ba703d"
 
 [compat]
 AxisArrays = "0.4"
-DSP = "0.6, 0.7"
+DSP = "0.6, 0.7, 0.8"
 DataStructures = "0.17, 0.18"
 ImagineFormat = "1"
 ImagineHardware = "0.0.1"