Merge branch 'upgrade-docs-requirements' into 'main'

update docs requirements

See merge request stackspin/stackspin!744

docs/requirements.txt

@@ -10,7 +10,7 @@ babel==2.9.1
     # via sphinx
 certifi==2021.10.8
     # via requests
-charset-normalizer==2.0.9
+charset-normalizer==2.0.10
     # via requests
 commonmark==0.9.1
     # via recommonmark
@@ -29,17 +29,15 @@ markupsafe==2.0.1
     # via jinja2
 packaging==21.3
     # via sphinx
-pygments==2.10.0
-    # via
-    #   -r requirements.in
-    #   sphinx
+pygments==2.11.2
+    # via sphinx
 pyparsing==3.0.6
     # via packaging
 pytz==2021.3
     # via babel
 recommonmark==0.7.1
     # via -r requirements.in
-requests==2.26.0
+requests==2.27.1
     # via sphinx
 snowballstemmer==2.2.0
     # via sphinx
@@ -65,7 +63,7 @@ sphinxcontrib-qthelp==1.0.3
     # via sphinx
 sphinxcontrib-serializinghtml==1.1.5
     # via sphinx
-urllib3==1.26.7
+urllib3==1.26.8
     # via requests
 
 # The following packages are considered to be unsafe in a requirements file: