Support for MacOS 11

[algojack]

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[codecov]

Codecov Report

Merging #4382 (c4cbc7d) into master (60fb4f6) will increase coverage by 0.00%.
The diff coverage is n/a.

❗ Current head c4cbc7d differs from pull request most recent head e0d5506. Consider uploading reports for the commit e0d5506 to get more accurate results

@@           Coverage Diff           @@
##           master    #4382   +/-   ##
=======================================
  Coverage   55.60%   55.61%           
=======================================
  Files         403      400    -3     
  Lines       50801    50764   -37     
=======================================
- Hits        28250    28231   -19     
+ Misses      20157    20138   -19     
- Partials     2394     2395    +1     

Impacted Files	Coverage Δ
ledger/blockqueue.go	85.63% <0.00%> (-2.88%)	⬇️
crypto/merkletrie/trie.go	66.42% <0.00%> (-2.19%)	⬇️
agreement/cryptoVerifier.go	67.60% <0.00%> (-2.12%)	⬇️
agreement/proposalManager.go	96.07% <0.00%> (-1.97%)	⬇️
crypto/merkletrie/node.go	91.62% <0.00%> (-1.87%)	⬇️
netdeploy/networkTemplate.go	27.82% <0.00%> (-1.74%)	⬇️
catchup/peerSelector.go	98.95% <0.00%> (-1.05%)	⬇️
data/transactions/verify/txn.go	43.85% <0.00%> (-0.88%)	⬇️
network/requestTracker.go	70.25% <0.00%> (-0.87%)	⬇️
cmd/tealdbg/debugger.go	72.69% <0.00%> (-0.81%)	⬇️
... and 12 more

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