linter: Enable gofumpt and run against codebase (#1848)

* linter: Enable gofumpt and run against codebase

* Address shazbert's nits

* gofumpt: Fix issues after rebase

log/custom_log_hooks_test.go

@@ -4,7 +4,7 @@ import "testing"
 
 func TestSetCustomLoghook(t *testing.T) {
 	t.Parallel()
-	logHook := func(_ string, _ string, _ ...interface{}) (bypassLibraryLogSystem bool) {
+	logHook := func(_, _ string, _ ...interface{}) (bypassLibraryLogSystem bool) {
 		return false
 	}
 	SetCustomLogHook(logHook)

log/logger_setup.go

@@ -210,7 +210,8 @@ func registerNewSubLogger(subLogger string) *SubLogger {
 	tempHolder, err := getWriters(&SubLoggerConfig{
 		Name:   strings.ToUpper(subLogger),
 		Level:  "INFO|WARN|DEBUG|ERROR",
-		Output: "stdout"})
+		Output: "stdout",
+	})
 	if err != nil {
 		return nil
 	}

log/logger_test.go

@@ -37,7 +37,8 @@ var (
 				Name:   "lOg",
 				Level:  "INFO|DEBUG|WARN|ERROR",
 				Output: "stdout",
-			}},
+			},
+		},
 	}
 	testConfigDisabled = &Config{
 		Enabled:         convert.BoolPtr(false),