CompatHelper: bump compat for Documenter to 1 for package test, (keep existing compat) (#376)

* CompatHelper: bump compat for Documenter to 1 for package test, (keep existing compat)

* Drop old compats

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Co-authored-by: CompatHelper Julia <compathelper_noreply@julialang.org>
Co-authored-by: Théo Galy-Fajou <theo.galyfajou@gmail.com>
Co-authored-by: Simone Carlo Surace <51025924+simsurace@users.noreply.github.com>

Author: 4 people

test/Project.toml

@@ -14,7 +14,7 @@ Zygote = "e88e6eb3-aa80-5325-afca-941959d7151f"
 
 [compat]
 Distributions = "0.19, 0.20, 0.21, 0.22, 0.23, 0.24, 0.25"
-Documenter = "0.24, 0.25, 0.26, 0.27"
+Documenter = "1"
 FillArrays = "0.11, 0.12, 0.13, 1"
 FiniteDifferences = "0.9.6, 0.10, 0.11, 0.12"
 LinearAlgebra = "1"