runtime: Add PCS types and quote verification

[kostko]

No description provided.

[codecov]

Codecov Report

Merging #4789 (65f4f20) into master (aba5861) will increase coverage by 0.05%.
The diff coverage is 42.85%.

@@            Coverage Diff             @@
##           master    #4789      +/-   ##
==========================================
+ Coverage   66.85%   66.91%   +0.05%     
==========================================
  Files         451      451              
  Lines       50300    50321      +21     
==========================================
+ Hits        33630    33671      +41     
+ Misses      12500    12481      -19     
+ Partials     4170     4169       -1     

Impacted Files	Coverage Δ
go/common/sgx/pcs/tcb.go	54.58% <ø> (ø)
go/common/sgx/pcs/quote.go	54.92% <14.28%> (-1.03%)	⬇️
go/common/sgx/pcs/pcs.go	55.55% <53.84%> (-4.45%)	⬇️
go/oasis-node/cmd/common/common.go	59.02% <100.00%> (+0.28%)	⬆️
go/worker/compute/executor/committee/p2p.go	75.00% <0.00%> (-4.17%)	⬇️
...consensus/tendermint/apps/roothash/transactions.go	69.77% <0.00%> (-3.12%)	⬇️
go/oasis-node/cmd/stake/delegations.go	78.99% <0.00%> (-1.69%)	⬇️
go/consensus/tendermint/full/full.go	65.36% <0.00%> (-1.37%)	⬇️
go/consensus/tendermint/roothash/roothash.go	66.94% <0.00%> (-1.04%)	⬇️
go/consensus/tendermint/apps/beacon/backend_vrf.go	58.89% <0.00%> (-0.85%)	⬇️
... and 13 more

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