Update repos for pre-commit hooks (#3424)

* Update repos for pre-commit hooks

Some of them have moved places

* Adjust formatting

{{cookiecutter.project_slug}}/.pre-commit-config.yaml

@@ -1,4 +1,4 @@
-exclude: 'docs|node_modules|migrations|.git|.tox'
+exclude: "docs|node_modules|migrations|.git|.tox"
 default_stages: [commit]
 fail_fast: true
 
@@ -15,21 +15,20 @@ repos:
     hooks:
       - id: black
 
-  - repo: https://github.com/timothycrosley/isort
+  - repo: https://github.com/PyCQA/isort
     rev: 5.10.1
     hooks:
       - id: isort
 
-  - repo: https://gitlab.com/pycqa/flake8
-    rev: 3.9.2
+  - repo: https://github.com/PyCQA/flake8
+    rev: 4.0.1
     hooks:
       - id: flake8
-        args: ['--config=setup.cfg']
+        args: ["--config=setup.cfg"]
         additional_dependencies: [flake8-isort]
 
-
 # sets up .pre-commit-ci.yaml to ensure pre-commit dependencies stay up to date
 ci:
-    autoupdate_schedule: weekly
-    skip: []
-    submodules: false
+  autoupdate_schedule: weekly
+  skip: []
+  submodules: false