Add Serialize/Deserialize to `TargetInfo`

[nick-mobilecoin]

The TargetInfo type is used to go to/from an enclave from the untrusted application, so it needs to support serialization.

Future Work

Serializing for Quote3 and Report types.

[nick-mobilecoin]

Current dependencies on/for this PR:

• main
  • PR #365 👈
  • PR #366
    • PR #367

This comment was auto-generated by Graphite.

[codecov[bot]]

Codecov Report

Merging #365 (1cfffa1) into main (e548815) will increase coverage by 0.09%. The diff coverage is 100.00%.

@@            Coverage Diff             @@
##             main     #365      +/-   ##
==========================================
+ Coverage   87.73%   87.82%   +0.09%     
==========================================
  Files          40       40              
  Lines        5414     5456      +42     
==========================================
+ Hits         4750     4792      +42     
  Misses        664      664              

Impacted Files	Coverage Δ
core/sys/types/src/lib.rs	100.00% <100.00%> (ø)
core/types/src/target_info.rs	100.00% <100.00%> (ø)

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