fix: fix slice init length (#2294)

Co-authored-by: Meaghan FitzGerald <[email protected]>

cmd/blockchaincmd/create.go

@@ -417,7 +417,7 @@ func sendMetrics(cmd *cobra.Command, repoName, blockchainName string) error {
 		return err
 	}
 	conf := genesis.Config.GenesisPrecompiles
-	precompiles := make([]string, 6)
+	precompiles := make([]string, 0, 6)
 	for precompileName := range conf {
 		precompileTag := "precompile-" + precompileName
 		flags[precompileTag] = precompileName