Scheduled weekly dependency update for week 50 (#184)

* Update black from 22.10.0 to 22.12.0

* Update filelock from 3.8.1 to 3.8.2

* Update tox from 3.27.1 to 4.0.8

* Update virtualenv from 20.17.0 to 20.17.1

requirements.txt

@@ -2,7 +2,7 @@ asttokens==2.2.1
 appdirs==1.4.4
 atomicwrites==1.4.1
 attrs==22.1.0
-black==22.10.0
+black==22.12.0
 bleach==5.0.1
 bumpversion==0.6.0
 certifi==2022.12.7
@@ -12,7 +12,7 @@ coverage==6.5.0
 coveralls==3.3.1
 docopt==0.6.2
 docutils==0.19
-filelock==3.8.1
+filelock==3.8.2
 idna==3.4
 invoke==1.7.3
 Jinja2==3.1.2
@@ -30,9 +30,9 @@ requests==2.28.1
 requests-toolbelt==0.10.1
 six==1.16.0
 toml==0.10.2
-tox==3.27.1
+tox==4.0.8
 tqdm==4.64.1
 twine==4.0.2
 urllib3==1.26.13
-virtualenv==20.17.0
+virtualenv==20.17.1
 webencodings==0.5.1