[stubsabot] Bump flake8-builtins to 3.1.*

Release: https://pypi.org/pypi/flake8-builtins/3.1.0
Homepage: https://github.com/gforcada/flake8-builtins
Repository: https://github.com/gforcada/flake8-builtins
Typeshed stubs: https://github.com/python/typeshed/tree/main/stubs/flake8-builtins
Changelog: https://github.com/gforcada/flake8-builtins/blob/main/CHANGES.rst
Diff: gforcada/flake8-builtins@3.0.0...3.1.0

Stubsabot analysis of the diff between the two releases:
 - Total lines of Python code added: 0.
 - Total lines of Python code deleted: 0.

If stubtest fails for this PR:
- Leave this PR open (as a reminder, and to prevent stubsabot from opening another PR)
- Fix stubtest failures in another PR, then close this PR

Note that you will need to close and re-open the PR in order to trigger CI

Author: stubsabot

stubs/flake8-builtins/METADATA.toml

@@ -1,3 +1,3 @@
-version = "3.0.*"
+version = "3.1.*"
 upstream_repository = "https://github.com/gforcada/flake8-builtins"
 requires = ["types-flake8"]