Add more linters to improve code readability (#19989)

Add nakedret, unconvert, wastedassign, stylecheck and nolintlint linters to improve code readability

- nakedret - https://github.com/alexkohler/nakedret - nakedret is a Go static analysis tool to find naked returns in functions greater than a specified function length.
- unconvert - https://github.com/mdempsky/unconvert - Remove unnecessary type conversions
- wastedassign - https://github.com/sanposhiho/wastedassign -  wastedassign finds wasted assignment statements.
- notlintlint -  Reports ill-formed or insufficient nolint directives
- stylecheck - https://staticcheck.io/docs/checks/#ST - keep style consistent
  - excluded: [ST1003 - Poorly chosen identifier](https://staticcheck.io/docs/checks/#ST1003) and [ST1005 - Incorrectly formatted error string](https://staticcheck.io/docs/checks/#ST1005)

modules/gitgraph/graph_test.go

@@ -53,7 +53,7 @@ func BenchmarkParseGlyphs(b *testing.B) {
 	parser := &Parser{}
 	parser.Reset()
 	tgBytes := []byte(testglyphs)
-	tg := tgBytes
+	var tg []byte
 	for i := 0; i < b.N; i++ {
 		parser.Reset()
 		tg = tgBytes