Update all packages requirements

requirements/cov-requirements.in

 coverage == 4.4.0
 pytest-cov >= 2.5.0
 Cython
+# zipp is a transitive dependency of pytest-cov.
+# zipp 2.0.0 dropped support for python3.5
+zipp < 2.0.0

requirements/cov-requirements.txt

 coverage==4.4
 pytest-cov==2.8.1
-Cython==0.29.14
+Cython==0.29.15
+# zipp is a transitive dependency of pytest-cov.
+# zipp 2.0.0 dropped support for python3.5
+zipp==1.2.0
 ## The following requirements were added by pip freeze:
 attrs==19.3.0
-importlib-metadata==1.1.0
-more-itertools==8.0.0
-packaging==19.2
+importlib-metadata==1.5.0
+more-itertools==8.2.0
+packaging==20.3
 pluggy==0.13.1
-py==1.8.0
-pyparsing==2.4.5
-pytest==5.3.1
-six==1.13.0
-wcwidth==0.1.7
-zipp==0.6.0
+py==1.8.1
+pyparsing==2.4.6
+pytest==5.4.1
+six==1.14.0
+wcwidth==0.1.9

requirements/dev-requirements.in

@@ -6,3 +6,6 @@ pytest-env
 pytest-xdist
 pytest-timeout
 pyftpdlib
+# zipp is a transitive dependency of pytest-xdist.
+# zipp 2.0.0 dropped support for python3.5
+zipp < 2.0.0

requirements/dev-requirements.txt

-pexpect==4.7.0
+pexpect==4.8.0
 pylint==2.4.4
-pytest==5.3.1
+pytest==5.4.1
 pytest-datafiles==2.0
 pytest-env==0.6.2
-pytest-xdist==1.30.0
-pytest-timeout==1.3.3
-pyftpdlib==1.5.5
+pytest-xdist==1.31.0
+pytest-timeout==1.3.4
+pyftpdlib==1.5.6
+# zipp is a transitive dependency of pytest-xdist.
+# zipp 2.0.0 dropped support for python3.5
+zipp==1.2.0
 ## The following requirements were added by pip freeze:
 apipkg==1.5
 astroid==2.3.3
 attrs==19.3.0
 execnet==1.7.1
-importlib-metadata==1.1.0
+importlib-metadata==1.5.0
 isort==4.3.21
 lazy-object-proxy==1.4.3
 mccabe==0.6.1
-more-itertools==8.0.0
-packaging==19.2
+more-itertools==8.2.0
+packaging==20.3
 pluggy==0.13.1
 ptyprocess==0.6.0
-py==1.8.0
-pyparsing==2.4.5
+py==1.8.1
+pyparsing==2.4.6
 pytest-forked==1.1.3
-six==1.13.0
-typed-ast==1.4.0
-wcwidth==0.1.7
+six==1.14.0
+typed-ast==1.4.1
+wcwidth==0.1.9
 wrapt==1.11.2
-zipp==0.6.0

requirements/requirements.txt

-Click==7.0
-grpcio==1.25.0
-Jinja2==2.10.3
+grpcio==1.27.2
+Jinja2==2.11.1
 pluginbase==1.0.0
-protobuf==3.11.0
-psutil==5.6.7
-ruamel.yaml==0.16.5
-setuptools==39.0.1
+protobuf==3.11.3
+psutil==5.7.0
+ruamel.yaml==0.16.10
+ruamel.yaml.clib==0.2.0
+setuptools==40.8.0
 pyroaring==0.2.9
-ujson==1.35
+ujson==2.0.2
 python-dateutil==2.8.1
 ## The following requirements were added by pip freeze:
+click==7.1.1
 MarkupSafe==1.1.1
-ruamel.yaml.clib==0.2.0
-six==1.13.0
+six==1.14.0