Update mattermost library (#2152)

* Update mattermost library

* Fix linting

vendor/github.com/mattermost/logr/v2/logr.go

@@ -42,6 +42,7 @@ func New(opts ...Option) (*Logr, error) {
 		shutdownTimeout: DefaultShutdownTimeout,
 		flushTimeout:    DefaultFlushTimeout,
 		maxPooledBuffer: DefaultMaxPooledBuffer,
+		maxFieldLen:     DefaultMaxFieldLength,
 	}
 
 	lgr := &Logr{options: options}
@@ -246,6 +247,29 @@ func (lgr *Logr) SetMetricsCollector(collector MetricsCollector, updateFreqMilli
 // this function either blocks or the log record is dropped, depending on
 // the result of calling `OnQueueFull`.
 func (lgr *Logr) enqueue(rec *LogRec) {
+	// check if a limit has been configured
+	if limit := lgr.options.maxFieldLen; limit > 0 {
+		// we limit the message
+		rec.msg = LimitString(rec.msg, limit)
+
+		// then we range over fields to apply the limit
+		for i := range rec.fields {
+			switch rec.fields[i].Type {
+			case StringType:
+				rec.fields[i].String = LimitString(rec.fields[i].String, limit)
+			case StringerType:
+				if v, ok := rec.fields[i].Interface.(fmt.Stringer); ok {
+					rec.fields[i].Interface = &LimitedStringer{
+						Stringer: v,
+						Limit:    limit,
+					}
+				}
+			default:
+				// no limits for other field types
+			}
+		}
+	}
+
 	select {
 	case lgr.in <- rec:
 	default: