Update docutils requirement from <0.17,>=0.10 to >=0.10,<0.21

Updates the requirements on [docutils](https://docutils.sourceforge.io/) to permit the latest version.

---
updated-dependencies:
- dependency-name: docutils
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

requirements-docs.txt

@@ -3,7 +3,7 @@
 jinja2<3.1
 
 
-docutils>=0.10,<0.17
+docutils>=0.10,<0.21
 Sphinx==1.4.9
 -e .
 # alabaster version 0.7.13 requires Sphinx>1.6

setup.py

@@ -25,7 +25,7 @@ def find_version(*file_paths):
 
 install_requires = [
     'botocore==1.31.35',
-    'docutils>=0.10,<0.17',
+    'docutils>=0.10,<0.21',
     's3transfer>=0.6.0,<0.7.0',
     'PyYAML>=3.10,<6.1',
     'colorama>=0.2.5,<0.4.5',