golangci-lint/CI: Bump versions and introduce new linters (#798)

* golangci-lint/CI: Bump versions

Fix remaining linter issues

* Specifically set AppVeyor version

* Fix the infamous typos 👀

* Add go env cmd to AppVeyor

* Add go version cmd to AppVeyor

* Specify AppVeyor image, adjust linters

* Update go get to go install due to deprecation

* Bump golangci-lint timeout time for AppVeyor

* Change NW contract to NQ

* Address nitters

* GetRandomPair -> Pair{}

* Address nits

* Address time nitterinos plus additional tweaks

* More time inception upgrades!

* Bending time and space

log/logger_setup.go

@@ -12,7 +12,7 @@ import (
 
 func getWriters(s *SubLoggerConfig) io.Writer {
 	mw := MultiWriter()
-	m := mw.(*multiWriter)
+	m := mw.(*multiWriter) // nolint // type assert not required
 
 	outputWriters := strings.Split(s.Output, "|")
 	for x := range outputWriters {