CompatHelper: bump compat for "FastTransforms" to "0.11" (#722)

* CompatHelper: bump compat for "FastTransforms" to "0.11"

* v0.12.3

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

Author: github-actions[bot]

Project.toml

@@ -1,6 +1,6 @@
 name = "ApproxFun"
 uuid = "28f2ccd6-bb30-5033-b560-165f7b14dc2f"
-version = "0.12.2"
+version = "0.12.3"
 
 [deps]
 AbstractFFTs = "621f4979-c628-5d54-868e-fcf4e3e8185c"
@@ -27,7 +27,7 @@ Calculus = "0.5"
 DomainSets = "0.3, 0.4"
 DualNumbers = "0.6.2"
 FFTW = "1"
-FastTransforms = "0.10"
+FastTransforms = "0.10, 0.11"
 RecipesBase = "1.0"
 Reexport = "0.2"
 julia = "1.5"