Update docutils requirement from <0.20,>=0.10 to >=0.21.2,<0.22

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] <support@github.com>

Author: dependabot[bot]

pyproject.toml

@@ -29,7 +29,7 @@ classifiers = [
 ]
 dependencies = [
     "colorama>=0.2.5,<0.4.7",
-    "docutils>=0.10,<0.20",
+    "docutils>=0.10,<0.22",
     "cryptography>=3.3.2,<40.0.2",
     "ruamel.yaml>=0.15.0,<=0.17.21",
     # ruamel.yaml only requires ruamel.yaml.clib for Python versions

requirements-docs-lock.txt

@@ -252,9 +252,9 @@ distro==1.8.0 \
     --hash=sha256:02e111d1dc6a50abb8eed6bf31c3e48ed8b0830d1ea2a1b78c61765c2513fdd8 \
     --hash=sha256:99522ca3e365cac527b44bde033f64c6945d90eb9f769703caaec52b09bbd3ff
     # via awscli (pyproject.toml)
-docutils==0.19 \
-    --hash=sha256:33995a6753c30b7f577febfc2c50411fec6aac7f7ffeb7c4cfe5991072dcf9e6 \
-    --hash=sha256:5e1de4d849fee02c63b040a4a3fd567f4ab104defd8a5511fbbc24a8a017efbc
+docutils==0.21.2 \
+    --hash=sha256:3a6b18732edf182daa3cd12775bbb338cf5691468f91eeeb109deff6ebfa986f \
+    --hash=sha256:dafca5b9e384f0e419294eb4d2ff9fa826435bf15f15b7bd45723e8ad76811b2
     # via
     #   awscli (pyproject.toml)
     #   sphinx