Bump pip-tools from 6.1.0 to 6.2.0

Bumps [pip-tools](https://github.com/jazzband/pip-tools) from 6.1.0 to 6.2.0.
- [Release notes](https://github.com/jazzband/pip-tools/releases)
- [Changelog](https://github.com/jazzband/pip-tools/blob/master/CHANGELOG.md)
- [Commits](https://github.com/jazzband/pip-tools/compare/6.1.0...6.2.0)

---
updated-dependencies:
- dependency-name: pip-tools
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

requirements/dev.txt

@@ -64,7 +64,7 @@ pallets-sphinx-themes==2.0.1
     # via -r requirements/docs.in
 pep517==0.10.0
     # via pip-tools
-pip-tools==6.1.0
+pip-tools==6.2.0
     # via -r requirements/dev.in
 pluggy==0.13.1
     # via
@@ -141,6 +141,8 @@ virtualenv==20.4.6
     # via
     #   pre-commit
     #   tox
+wheel==0.36.2
+    # via pip-tools
 
 # The following packages are considered to be unsafe in a requirements file:
 # pip