-r ../requirements.txt
sphinx>=1.5,<2.0
sphinx-click>=2.0,<3.0
reno>=3.0,<4.0
sphinx-rtd-theme==0.4.3

-r ../requirements.txt
sphinx>=1.5,<2.0
sphinx-click>=2.0,<3.0
reno>=2.0,<4.0
sphinx-rtd-theme==0.4.3

Increase support range for reno
docs: Increase support range for reno

readthedocs seems to be having issues with their PyPI cache. Work around
this by using an older build.

Signed-off-by: Stephen Finucane <06fa905d7f2aaced6dc72e9511c71a2a51e8aead@that.guru>
