chore(deps-dev): bump black from 21.9b0 to 21.10b0

Bumps [black](https://github.com/psf/black) from 21.9b0 to 21.10b0.
- [Release notes](https://github.com/psf/black/releases)
- [Changelog](https://github.com/psf/black/blob/main/CHANGES.md)
- [Commits](https://github.com/psf/black/commits)

---
updated-dependencies:
- dependency-name: black
  dependency-type: direct:development
...

Signed-off-by: dependabot[bot] <support@github.com>

requirements-dev.txt

@@ -21,7 +21,7 @@ backports.entry-points-selectable==1.1.0
     # via virtualenv
 bandit==1.7.0
     # via -r requirements-dev.in
-black==21.9b0
+black==21.10b0
     # via -r requirements-dev.in
 certifi==2021.10.8
     # via
@@ -136,22 +136,6 @@ idna==3.3
     # via
     #   -c docs/requirements.txt
     #   requests
-importlib-metadata==4.8.1
-    # via
-    #   -c docs/requirements.txt
-    #   -c requirements.txt
-    #   backports.entry-points-selectable
-    #   click
-    #   flake8
-    #   flake8-comprehensions
-    #   flake8-simplify
-    #   flake8-typing-imports
-    #   pep517
-    #   pluggy
-    #   pre-commit
-    #   pytest
-    #   stevedore
-    #   virtualenv
 iniconfig==1.1.1
     # via pytest
 isort==5.9.3
@@ -283,24 +267,14 @@ tomli==1.2.1
     #   black
     #   coverage
     #   pep517
-typed-ast==1.4.3
-    # via
-    #   astroid
-    #   black
-    #   flake8-annotations
-    #   mypy
 types-toml==0.10.1
     # via -r requirements-dev.in
 typing-extensions==3.10.0.2
     # via
     #   -c docs/requirements.txt
     #   -c requirements.txt
-    #   astroid
     #   black
-    #   gitpython
-    #   importlib-metadata
     #   mypy
-    #   pylint
 urllib3==1.26.7
     # via
     #   -c docs/requirements.txt
@@ -318,12 +292,6 @@ yamlfix==0.7.2
     # via -r requirements-dev.in
 yamllint==1.26.3
     # via -r requirements-dev.in
-zipp==3.6.0
-    # via
-    #   -c docs/requirements.txt
-    #   -c requirements.txt
-    #   importlib-metadata
-    #   pep517
 
 # The following packages are considered to be unsafe in a requirements file:
 pip==21.3