Bump bitflags from 1.3.1 to 1.3.2 (#600)

Bumps [bitflags](https://github.com/bitflags/bitflags) from 1.3.1 to 1.3.2.
- [Release notes](https://github.com/bitflags/bitflags/releases)
- [Changelog](https://github.com/bitflags/bitflags/blob/main/CHANGELOG.md)
- [Commits](https://github.com/bitflags/bitflags/compare/1.3.1...1.3.2)

---
updated-dependencies:
- dependency-name: bitflags
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

helix-tui/Cargo.toml

@@ -16,7 +16,7 @@ include = ["src/**/*", "README.md"]
 default = ["crossterm"]
 
 [dependencies]
-bitflags = "1.0"
+bitflags = "1.3"
 cassowary = "0.3"
 unicode-segmentation = "1.8"
 crossterm = { version = "0.20", optional = true }