Bump BandedMatrices compat to v1 (#917)

Author: jishnub

Project.toml

@@ -32,7 +32,7 @@ ApproxFunFourier = "0.3"
 ApproxFunOrthogonalPolynomials = "0.5, 0.6"
 ApproxFunSingularities = "0.3.10"
 Aqua = "0.7"
-BandedMatrices = "0.16, 0.17"
+BandedMatrices = "0.16, 0.17, 1"
 BlockBandedMatrices = "0.11, 0.12"
 Calculus = "0.5"
 Documenter = "0.27"