fix: handle assignments to dereferenced pointer values #2026

Job	Run time
build (1.20.x, amd64, linux, ./pkg/amino/cmd/aminoscan)	14s
build (1.20.x, amd64, linux, ./pkg/amino/cmd/goscan)	11s
test (1.20.x, _test.flappy)	24s
build (1.20.x, amd64, linux, ./pkg/autofile/cmd)	6s
test (1.20.x, _test.pkg.amino)	1m 24s
build (1.20.x, amd64, linux, ./pkg/iavl/cmd/iaviewer)	12s
test (1.20.x, _test.pkg.bft)	21m 13s
build (1.21.x, amd64, linux, ./pkg/amino/cmd/aminoscan)	8s
test (1.20.x, _test.pkg.others)	2m 25s
build (1.21.x, amd64, linux, ./pkg/amino/cmd/goscan)	5s
test (1.21.x, _test.flappy)	24s
build (1.21.x, amd64, linux, ./pkg/autofile/cmd)	6s
test (1.21.x, _test.pkg.amino)	1m 18s
build (1.21.x, amd64, linux, ./pkg/iavl/cmd/iaviewer)	14s
test (1.21.x, _test.pkg.bft)	21m 13s
test (1.21.x, _test.pkg.others)	2m 37s
upload-coverage	0s
	52m 14s

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