chore(aws): upgrade aws dependencies

vendor/github.com/aws/smithy-go/sync/error.go

@@ -0,0 +1,54 @@
+package sync
+
+import "sync"
+
+// OnceErr wraps the behavior of recording an error
+// once and signal on a channel when this has occurred.
+// Signaling is done by closing of the channel.
+//
+// Type is safe for concurrent usage.
+type OnceErr struct {
+	mu  sync.RWMutex
+	err error
+	ch  chan struct{}
+}
+
+// NewOnceErr return a new OnceErr
+func NewOnceErr() *OnceErr {
+	return &OnceErr{
+		ch: make(chan struct{}, 1),
+	}
+}
+
+// Err acquires a read-lock and returns an
+// error if one has been set.
+func (e *OnceErr) Err() error {
+	e.mu.RLock()
+	err := e.err
+	e.mu.RUnlock()
+
+	return err
+}
+
+// SetError acquires a write-lock and will set
+// the underlying error value if one has not been set.
+func (e *OnceErr) SetError(err error) {
+	if err == nil {
+		return
+	}
+
+	e.mu.Lock()
+	if e.err == nil {
+		e.err = err
+		close(e.ch)
+	}
+	e.mu.Unlock()
+}
+
+// ErrorSet returns a channel that will be used to signal
+// that an error has been set. This channel will be closed
+// when the error value has been set for OnceErr.
+func (e *OnceErr) ErrorSet() <-chan struct{} {
+	return e.ch
+}
+