Use shared types for exitcode and crypto

[ZenGround0]

Pull actors exitcode and crypto types to shared stable types in go-state-types

[codecov-commenter]

Codecov Report

Merging #395 into master will increase coverage by 0.09%.
The diff coverage is 65.93%.

@@            Coverage Diff             @@
##           master     #395      +/-   ##
==========================================
+ Coverage   61.89%   61.97%   +0.09%     
==========================================
  Files          43       43              
  Lines        2925     3008      +83     
==========================================
+ Hits         1810     1864      +54     
- Misses        964      987      +23     
- Partials      151      157       +6     

Impacted Files	Coverage Δ
retrievalmarket/impl/provider_environments.go	71.43% <ø> (ø)
...etrievalmarket/impl/providerstates/provider_fsm.go	8.83% <0.00%> (-1.17%)	⬇️
...market/impl/requestvalidation/requestvalidation.go	86.67% <ø> (ø)
...rievalmarket/impl/requestvalidation/revalidator.go	80.80% <ø> (ø)
retrievalmarket/types.go	42.38% <0.00%> (-4.79%)	⬇️
storagemarket/impl/client.go	2.89% <ø> (ø)
storagemarket/impl/clientstates/client_fsm.go	100.00% <ø> (ø)
storagemarket/impl/clientstates/client_states.go	89.37% <ø> (ø)
storagemarket/impl/funds/funds.go	77.50% <ø> (ø)
storagemarket/impl/provider.go	3.00% <ø> (ø)
... and 13 more

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