Merge branch 'renovate/idna-3.x' into 'master'

Update dependency idna to v3.3

See merge request openappstack/openappstack!540

docs/requirements.txt

@@ -19,7 +19,7 @@ docutils==0.17.1
     #   recommonmark
     #   sphinx
     #   sphinx-rtd-theme
-idna==3.2
+idna==3.3
     # via requests
 imagesize==1.2.0
     # via sphinx

requirements.txt

@@ -38,7 +38,7 @@ google-auth==2.3.0
     # via kubernetes
 htpasswd==2.3
     # via -r requirements.in
-idna==3.2
+idna==3.3
     # via requests
 iniconfig==1.1.1
     # via pytest