CompatHelper: bump compat for "BlockArrays" to "0.13" (#55)

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

Author: github-actions[bot]

Project.toml

@@ -29,7 +29,7 @@ ToeplitzMatrices = "c751599d-da0a-543b-9d20-d0a503d91d24"
 [compat]
 AbstractFFTs = "0.4, 0.5"
 BandedMatrices = "0.14, 0.15"
-BlockArrays = "0.12.11"
+BlockArrays = "0.12.11, 0.13"
 BlockBandedMatrices = "0.7, 0.8, 0.9"
 Calculus = "0.5"
 DSP = "0.6"