Merge pull request #300 from JuliaLinearAlgebra/compathelper/new_version/2021-06-11-00-41-48-812-3883570156

CompatHelper: bump compat for "Documenter" to "0.27" for package test

Author: mschauer

test/Project.toml

@@ -8,6 +8,6 @@ SparseArrays = "2f01184e-e22b-5df5-ae63-d93ebab69eaf"
 Test = "8dfed614-e22c-5e08-85e1-65c5234f0b40"
 
 [compat]
-Documenter = "0.26, 1.0, 1.1"
+Documenter = "0.26, 0.27, 1.0, 1.1"
 LinearMaps = "3"
 RecipesBase = "1"