bump go.mod to Go 1.18 and run go fix

web3-bot · rvagg · commit 4a7a4fece0d7 · 2022-08-24T14:10:53.000+10:00
diff --git a/go.mod b/go.mod
@@ -32,4 +32,4 @@ require (
 	gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b // indirect
 )
 
-go 1.17
+go 1.18
