admin/doc-requirements: bump up sphinx to 3.2.1

* use the latest stable sphinx
* unpin breathe, sphinx-autodoc-typehints, so pip can choose the
  compatible versions without worrying about the compile failures.

Signed-off-by: Kefu Chai <kchai@redhat.com>

diff --git a/admin/doc-requirements.txt b/admin/doc-requirements.txt
index 275b519ee684113f5ff6a760ebafc3cab0888922..9fbf68d3d4cec5fa0e1b87f68a7f66af14deb09e 100644 (file)
--- a/admin/doc-requirements.txt
+++ b/admin/doc-requirements.txt
@@ -1,8 +1,8 @@
-Sphinx == 2.4.4
+Sphinx == 3.2.1
 git+https://github.com/ceph/sphinx-ditaa.git@py3#egg=sphinx-ditaa
-breathe == 4.14.2
+breathe
 pyyaml >= 5.1.2
 Cython
 prettytable
-sphinx-autodoc-typehints == 1.10.3
+sphinx-autodoc-typehints
 typed-ast