Bump bitflags from 1.2.1 to 1.3.2

Bumps [bitflags](https://github.com/bitflags/bitflags) from 1.2.1 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/1.2.1...1.3.2)

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

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

Cargo.lock

@@ -8,9 +8,9 @@ checksum = "cdb031dd78e28731d87d56cc8ffef4a8f36ca26c38fe2de700543e627f8a464a"
 
 [[package]]
 name = "bitflags"
-version = "1.2.1"
+version = "1.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cf1de2fe8c75bc145a2f577add951f8134889b4795d47466a54a5c846d691693"
+checksum = "bef38d45163c2f1dde094a7dfd33ccf595c92905c8f8f4fdc18d06fb1037718a"
 
 [[package]]
 name = "bytecount"

Cargo.toml

@@ -41,7 +41,7 @@ edition = "2018"
 name = "mos6502"
 
 [dependencies]
-bitflags = "1.2.1"
+bitflags = "1.3.2"
 log = "0.4.14"
 
 [dependencies.num]