Bump Go to 1.18.3

[kostko]

No description provided.

[codecov]

Codecov Report

Merging #4820 (c73ab92) into master (368581c) will decrease coverage by 0.01%.
The diff coverage is 83.33%.

❗ Current head c73ab92 differs from pull request most recent head 0983ebf. Consider uploading reports for the commit 0983ebf to get more accurate results

@@            Coverage Diff             @@
##           master    #4820      +/-   ##
==========================================
- Coverage   66.56%   66.55%   -0.02%     
==========================================
  Files         451      451              
  Lines       50307    50305       -2     
==========================================
- Hits        33488    33480       -8     
- Misses      12653    12668      +15     
+ Partials     4166     4157       -9     

Impacted Files	Coverage Δ
go/worker/sentry/grpc/worker.go	33.68% <50.00%> (+0.70%)	⬆️
go/common/grpc/auth/auth.go	100.00% <100.00%> (ø)
go/consensus/tendermint/apps/staking/auth.go	62.96% <0.00%> (-7.41%)	⬇️
go/worker/common/committee/p2p.go	70.00% <0.00%> (-6.67%)	⬇️
go/runtime/nodes/nodes.go	84.09% <0.00%> (-2.28%)	⬇️
...nsensus/tendermint/apps/beacon/backend_insecure.go	58.24% <0.00%> (-2.20%)	⬇️
go/consensus/tendermint/roothash/roothash.go	66.94% <0.00%> (-1.24%)	⬇️
go/registry/api/runtime.go	47.94% <0.00%> (-1.16%)	⬇️
go/registry/api/api.go	56.39% <0.00%> (-1.04%)	⬇️
go/consensus/tendermint/full/full.go	64.96% <0.00%> (-1.02%)	⬇️
... and 11 more

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