CompatHelper: bump compat for "DSP" to "0.7" (#75)

Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>

Author: github-actions[bot]

Project.toml

@@ -32,7 +32,7 @@ BandedMatrices = "0.16"
 BlockArrays = "0.14, 0.15"
 BlockBandedMatrices = "0.10"
 Calculus = "0.5"
-DSP = "0.6"
+DSP = "0.6, 0.7"
 DomainSets = "0.4, 0.5"
 DualNumbers = "0.6.2"
 FFTW = "0.3, 1"