smartcontract: fix go version mismatch in TestContractInitAndCompile

[AliceInHunterland]

It is necessary to update dependencies in the test for go1.18 and above to match with the interop module.

Close #3152

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (71fb759) 84.89% compared to head (5128b84) 84.94%.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #3318      +/-   ##
==========================================
+ Coverage   84.89%   84.94%   +0.05%     
==========================================
  Files         328      328              
  Lines       44747    44750       +3     
==========================================
+ Hits        37987    38015      +28     
+ Misses       5251     5223      -28     
- Partials     1509     1512       +3     

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[AnnaShaleva]

@roman-khimov, we need your approve for this hard-coded go version in our SC template. We'll need to update it every time we bump minimum required Go version, but in general I think it's good that we have it here.

[roman-khimov]

It's OK to have it (all regular go.mod files have some go definition).

But why after require?

[AnnaShaleva]

I thought it's kind of standard to have it in the end of go.mod:

neo-go/go.mod

Lines 70 to 80 in 71fb759

	golang.org/x/mod v0.12.0 // indirect
	golang.org/x/net v0.17.0 // indirect
	golang.org/x/sync v0.3.0 // indirect
	golang.org/x/sys v0.15.0 // indirect
	google.golang.org/genproto/googleapis/rpc v0.0.0-20230803162519-f966b187b2e5 // indirect
	google.golang.org/grpc v1.57.1 // indirect
	google.golang.org/protobuf v1.31.0 // indirect
	rsc.io/tmplfunc v0.0.3 // indirect
	)
	go 1.19

But according to https://go.dev/doc/modules/gomod-ref, it should be put before require, thus @AliceInHunterland, let's update the current PR and NeoGo gomod file (in a separate commit).