Further update Python requirements.

requirements.txt

@@ -2,61 +2,63 @@ alabaster==0.7.12
 appdirs==1.4.3
 arrow==0.10.0
 asn1crypto==0.24.0
-attrs>=19.2.0,<20
-autobahn==21.2.*
-Babel==2.6.0
+attrs==21.4.0
+autobahn==22.2.2
+Automat==20.2.0
+Babel==2.9.1
 backports.ssl-match-hostname==3.5.0.1
 bcrypt==3.1.0
 certifi==2018.11.29
-cffi==1.15.*
+cffi==1.15.0
 chardet==3.0.4
 click==6.7
 colorama==0.3.7
 configparser==3.7.1
+constantly==15.1.0
 coverage==4.1
-cryptography>=3.4.6,<4
+cryptography==36.0.1
 docker==2.5.1
 docker-pycreds==0.4.0
 docopt==0.6.2
 docutils==0.14
 enum34==1.1.6
 funcsigs==1.0.2
-functools32==3.2.3.post2; python_version < "3.2"
 future==0.16.0
 gitdb2==2.0.5
 GitPython==2.1.5
+hyperlink==21.0.0
 idna==2.8
 imagesize==1.1.0
-incremental>=21.3.0,<22
+incremental==21.3.0
 ipaddress==1.0.16
-Jinja2==2.10.1
+Jinja2==3.0.3
 jsl==0.2.4
 jsonpatch==1.15
 jsonpointer==2.0
 jsonschema==2.6.0
 klein==16.12.0
-MarkupSafe==1.1.0
+MarkupSafe==2.1.0
 mock==2.0.0
 msgpack-python==0.5.6
 netifaces==0.10.4
 nose==1.3.7
 pbr==1.10.0
-psutil==5.6.2
+psutil==5.9.0
 pulsectl==17.12.2
 pyasn1==0.1.9
 pyasn1-modules==0.0.8
 pycparser==2.16
 pycurl==7.43.0
 pyflakes==1.6.0
-Pygments==2.3.0
+Pygments==2.11.2
 PyJWT==1.5.3
-pyOpenSSL==17.5.0
+pyOpenSSL==22.0.0
 python-dateutil==2.7.5
 pytz==2018.7
-PyYAML==5.1
+PyYAML==6.0
 requests==2.21.0
-ruamel.ordereddict==0.4.13; python_version < "3.1"
-ruamel.yaml==0.17.*
+ruamel.yaml==0.17.21
+ruamel.yaml.clib==0.2.6
 service-identity==16.0.0
 six==1.10.0
 smmap2==2.0.5
@@ -65,10 +67,11 @@ snowballstemmer==1.2.1
 Sphinx==1.6.3
 sphinx-rtd-theme==0.2.4
 sphinxcontrib-websupport==1.0.1
-Twisted==22.1.*
-txaio>=21.2.1,<22
+Twisted==22.1.0
+txaio==22.2.1
 typing==3.6.6
-urllib3==1.24.2
+typing_extensions==4.1.1
+urllib3==1.26.8
 websocket-client==0.37.0
-Werkzeug==0.14.1
-zope.interface==5.0.*
+Werkzeug==2.0.3
+zope.interface==5.0.2