Cap doc8<1.1.2

doc8 1.1.2 was released with a bug that affects us. Let's cap 
It until ignore-path-error starts working again

Squashed-from: #1270

Author: 1ucian0

tox.ini

@@ -81,7 +81,7 @@ commands =
 # rst-lint is really only valuable for non-Sphinx reStructuredText, see also:
 # https://github.com/twolfson/restructuredtext-lint/blob/65ce9d6c7768ef9135c1d3ee4a1ae8c7bf89d92f/README.rst#sphinx
 deps =
-    doc8 >= 0.10.1, != 1.1.2
+    doc8 >= 0.10.1, <1.1.2  # https://github.com/PyCQA/doc8/issues/188 was introduced in 1.1.2. Remove cap once bug is fixed
     proselint >= 0.13.0
     pygments
     restructuredtext_lint