Update dependency isort to v5

This MR contains the following updates:

Package	Type	Update	Change
isort	dev-dependencies	major	^4.3.21 -> ^5.0.0

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poetry.lock

@@ -68,11 +68,11 @@ extras = ["phonenumbers"]
 version = ">=3.0,<4.0"
 
 [package.dependencies.django-two-factor-auth]
-extras = ["sms", "yubikey", "call", "phonenumbers"]
+extras = ["sms", "phonenumbers", "call", "yubikey"]
 version = ">=1.11.0,<2.0.0"
 
 [package.dependencies.dynaconf]
-extras = ["yaml", "ini", "toml"]
+extras = ["yaml", "toml", "ini"]
 version = ">=2.0,<3.0"
 
 [package.extras]
@@ -1112,14 +1112,12 @@ category = "dev"
 description = "A Python utility / library to sort Python imports."
 name = "isort"
 optional = false
-python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
-version = "4.3.21"
+python-versions = ">=3.6,<4.0"
+version = "5.0.3"
 
 [package.extras]
-pipfile = ["pipreqs", "requirementslib"]
-pyproject = ["toml"]
-requirements = ["pipreqs", "pip-api"]
-xdg_home = ["appdirs (>=1.4.0)"]
+pipfile_deprecated_finder = ["pipreqs", "requirementslib", "tomlkit (>=0.5.3)"]
+requirements_deprecated_finder = ["pipreqs", "pip-api"]
 
 [[package]]
 category = "dev"
@@ -1949,7 +1947,7 @@ docs = ["sphinx", "jaraco.packaging (>=3.2)", "rst.linker (>=1.9)"]
 testing = ["jaraco.itertools", "func-timeout"]
 
 [metadata]
-content-hash = "14697a0280b9caecec47c1bb76bc7c2a18fa04b715560b3d5699cf2efdce67f5"
+content-hash = "c948e61801e83c7105de786b85616a1b61957e6950cd649039bd67f87193559c"
 python-versions = "^3.7"
 
 [metadata.files]
@@ -2319,8 +2317,8 @@ importlib-metadata = [
     {file = "importlib_metadata-1.7.0.tar.gz", hash = "sha256:90bb658cdbbf6d1735b6341ce708fc7024a3e14e99ffdc5783edea9f9b077f83"},
 ]
 isort = [
-    {file = "isort-4.3.21-py2.py3-none-any.whl", hash = "sha256:6e811fcb295968434526407adb8796944f1988c5b65e8139058f2014cbe100fd"},
-    {file = "isort-4.3.21.tar.gz", hash = "sha256:54da7e92468955c4fceacd0c86bd0ec997b0e1ee80d97f67c35a78b719dccab1"},
+    {file = "isort-5.0.3-py3-none-any.whl", hash = "sha256:3fbfad425b0a08a2969c5e1821d88785c210a08656c029c28931a1620f2d0f12"},
+    {file = "isort-5.0.3.tar.gz", hash = "sha256:4c48d4cd773a6226baaaa176839e6f7ff82ef7c7842f6c54374fe2b14df4024b"},
 ]
 jinja2 = [
     {file = "Jinja2-2.11.2-py2.py3-none-any.whl", hash = "sha256:f0a4641d3cf955324a89c04f3d94663aa4d638abe8f733ecd3582848e1c37035"},