fix(gnovm): no ValuePath depths should exceed uint8/2

[omarsy]

closes: #1781

[Gno2D2]

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[codecov]

Codecov Report

Attention: Patch coverage is 50.72464% with 34 lines in your changes missing coverage. Please review.

Files with missing lines	Patch %	Lines
gnovm/pkg/gnolang/nodes.go	41.66%	7 Missing and 7 partials ⚠️
gnovm/pkg/gnolang/op_types.go	38.46%	8 Missing ⚠️
gnovm/pkg/gnolang/values.go	53.84%	6 Missing ⚠️
gnovm/pkg/gnolang/types.go	62.50%	3 Missing ⚠️
gnovm/pkg/gnolang/nodes_string.go	50.00%	2 Missing ⚠️
gnovm/pkg/gnolang/op_expressions.go	0.00%	1 Missing ⚠️

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[omarsy]

note: After the Merge, this code will work on Go but not on Gnoland.

[notJoon]

LGTM

remove: review-riage flage