Bump bitflags from 1.2.1 to 1.3.2 (#1016)

* 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](bitflags/bitflags@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>

* Update enclave cargo.locks, fixes #971

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

attest/core/Cargo.toml

@@ -37,7 +37,7 @@ mc-sgx-types = { path = "../../sgx/types" }
 mbedtls = { version = "0.8.1", default-features = false, features = ["no_std_deps"] }
 
 binascii = "0.1.2"
-bitflags = "1.2"
+bitflags = "1.3"
 cfg-if = "1.0"
 chrono = { version = "0.4.19", default-features = false, features = ["alloc"] }
 digest = { version = "0.9", default-features = false }