Update mattermost library (#2152)

* Update mattermost library

* Fix linting

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

@@ -23,6 +23,7 @@ type options struct {
 	metricsCollector        MetricsCollector
 	metricsUpdateFreqMillis int64
 	stackFilter             map[string]struct{}
+	maxFieldLen             int
 }
 
 // MaxQueueSize is the maximum number of log records that can be queued.
@@ -76,7 +77,7 @@ func OnTargetQueueFull(f func(target Target, rec *LogRec, maxQueueSize int) bool
 }
 
 // OnExit, when not nil, is called when a FatalXXX style log API is called.
-// When nil, then the default behavior is to cleanly shut down this Logr and
+// When nil, the default behavior is to cleanly shut down this Logr and
 // call `os.Exit(code)`.
 func OnExit(f func(code int)) Option {
 	return func(l *Logr) error {
@@ -86,7 +87,7 @@ func OnExit(f func(code int)) Option {
 }
 
 // OnPanic, when not nil, is called when a PanicXXX style log API is called.
-// When nil, then the default behavior is to cleanly shut down this Logr and
+// When nil, the default behavior is to cleanly shut down this Logr and
 // call `panic(err)`.
 func OnPanic(f func(err interface{})) Option {
 	return func(l *Logr) error {
@@ -190,3 +191,16 @@ func StackFilter(pkg ...string) Option {
 		return nil
 	}
 }
+
+// MaxFieldLen is the maximum number of characters for a field.
+// If exceeded, remaining bytes will be discarded.
+// Defaults to DefaultMaxFieldLength.
+func MaxFieldLen(size int) Option {
+	return func(l *Logr) error {
+		if size < 0 {
+			return errors.New("size cannot be less than zero")
+		}
+		l.options.maxFieldLen = size
+		return nil
+	}
+}