Update docsy version

Point the Docsy dependency to the current repo HEAD. The latest commit
fixes a problem rendering angle brackets.

To update this after after the next Docsy minor release to point to a
tag again.

go.mod

@@ -2,4 +2,4 @@ module github.com/tektoncd/website
 
 go 1.18
 
-require github.com/google/docsy v0.5.1 // indirect
+require github.com/google/docsy v0.5.2-0.20221111165106-246a2e1e80ce // indirect

go.sum

@@ -6,6 +6,8 @@ github.com/google/docsy v0.4.0 h1:Eyt2aiDC1fnw/Qq/9xnIqUU5n5Yyk4c8gX3nBDdTv/4=
 github.com/google/docsy v0.4.0/go.mod h1:vJjGkHNaw9bO42gpFTWwAUzHZWZEVlK46Kx7ikY5c7Y=
 github.com/google/docsy v0.5.1 h1:D/ZdFKiE29xM/gwPwQzmkyXhcbQGkReRS6aGrF7lnYk=
 github.com/google/docsy v0.5.1/go.mod h1:maoUAQU5H/d+FrZIB4xg1EVWAx7RyFMGSDJyWghm31E=
+github.com/google/docsy v0.5.2-0.20221111165106-246a2e1e80ce h1:Zb4tKQCf5Pwsw+/Hjg9JpYcoFGadF340Y6Nv1QC8mes=
+github.com/google/docsy v0.5.2-0.20221111165106-246a2e1e80ce/go.mod h1:maoUAQU5H/d+FrZIB4xg1EVWAx7RyFMGSDJyWghm31E=
 github.com/google/docsy/dependencies v0.3.0/go.mod h1:2zZxHF+2qvkyXhLZtsbnqMotxMukJXLaf8fAZER48oo=
 github.com/google/docsy/dependencies v0.4.0/go.mod h1:2zZxHF+2qvkyXhLZtsbnqMotxMukJXLaf8fAZER48oo=
 github.com/google/docsy/dependencies v0.5.1/go.mod h1:EDGc2znMbGUw0RW5kWwy2oGgLt0iVXBmoq4UOqstuNE=