Bump flake8 from 3.9.2 to 5.0.3

Created by: dependabot[bot]

Bumps flake8 from 3.9.2 to 5.0.3.

Commits

• ff6569b Release 5.0.3
• e76b59a Merge pull request #1648 from PyCQA/invalid-syntax-partial-parse
• 25e8ff1 ignore config files that partially parse as flake8 configs
• 70c0b3d Release 5.0.2
• 5e69ba9 Merge pull request #1642 from PyCQA/no-home
• 8b51ee4 skip skipping home if home does not exist
• 446b18d Merge pull request #1641 from PyCQA/entry-points-not-pickleable
• b70d7a2 work around un-pickleabiliy of EntryPoint in 3.8.0
• 91a7fa9 fix order of release notes
• 405cfe0 Release 5.0.1
• Additional commits viewable in compare view

Dependabot will resolve any conflicts with this PR as long as you don't alter it yourself. You can also trigger a rebase manually by commenting @dependabot rebase.

---

Dependabot commands and options

You can trigger Dependabot actions by commenting on this PR:

• @dependabot rebase will rebase this PR
• @dependabot recreate will recreate this PR, overwriting any edits that have been made to it
• @dependabot merge will merge this PR after your CI passes on it
• @dependabot squash and merge will squash and merge this PR after your CI passes on it
• @dependabot cancel merge will cancel a previously requested merge and block automerging
• @dependabot reopen will reopen this PR if it is closed
• @dependabot close will close this PR and stop Dependabot recreating it. You can achieve the same result by closing it manually
• @dependabot ignore this major version will close this PR and stop Dependabot creating any more for this major version (unless you reopen the PR or upgrade to it yourself)
• @dependabot ignore this minor version will close this PR and stop Dependabot creating any more for this minor version (unless you reopen the PR or upgrade to it yourself)
• @dependabot ignore this dependency will close this PR and stop Dependabot creating any more for this dependency (unless you reopen the PR or upgrade to it yourself)