rebase: update kubernetes to 1.26.1

update kubernetes and its dependencies
to v1.26.1

Signed-off-by: Madhu Rajanna <madhupr007@gmail.com>

vendor/go.opentelemetry.io/otel/attribute/encoder.go

@@ -21,19 +21,17 @@ import (
 )
 
 type (
-	// Encoder is a mechanism for serializing a label set into a
-	// specific string representation that supports caching, to
-	// avoid repeated serialization. An example could be an
-	// exporter encoding the label set into a wire representation.
+	// Encoder is a mechanism for serializing an attribute set into a specific
+	// string representation that supports caching, to avoid repeated
+	// serialization. An example could be an exporter encoding the attribute
+	// set into a wire representation.
 	Encoder interface {
-		// Encode returns the serialized encoding of the label
-		// set using its Iterator.  This result may be cached
-		// by a attribute.Set.
+		// Encode returns the serialized encoding of the attribute set using
+		// its Iterator. This result may be cached by a attribute.Set.
 		Encode(iterator Iterator) string
 
-		// ID returns a value that is unique for each class of
-		// label encoder.  Label encoders allocate these using
-		// `NewEncoderID`.
+		// ID returns a value that is unique for each class of attribute
+		// encoder. Attribute encoders allocate these using `NewEncoderID`.
 		ID() EncoderID
 	}
 
@@ -43,54 +41,53 @@ type (
 		value uint64
 	}
 
-	// defaultLabelEncoder uses a sync.Pool of buffers to reduce
-	// the number of allocations used in encoding labels.  This
-	// implementation encodes a comma-separated list of key=value,
-	// with '/'-escaping of '=', ',', and '\'.
-	defaultLabelEncoder struct {
-		// pool is a pool of labelset builders.  The buffers in this
-		// pool grow to a size that most label encodings will not
-		// allocate new memory.
+	// defaultAttrEncoder uses a sync.Pool of buffers to reduce the number of
+	// allocations used in encoding attributes. This implementation encodes a
+	// comma-separated list of key=value, with '/'-escaping of '=', ',', and
+	// '\'.
+	defaultAttrEncoder struct {
+		// pool is a pool of attribute set builders. The buffers in this pool
+		// grow to a size that most attribute encodings will not allocate new
+		// memory.
 		pool sync.Pool // *bytes.Buffer
 	}
 )
 
-// escapeChar is used to ensure uniqueness of the label encoding where
-// keys or values contain either '=' or ','.  Since there is no parser
-// needed for this encoding and its only requirement is to be unique,
-// this choice is arbitrary.  Users will see these in some exporters
-// (e.g., stdout), so the backslash ('\') is used as a conventional choice.
+// escapeChar is used to ensure uniqueness of the attribute encoding where
+// keys or values contain either '=' or ','.  Since there is no parser needed
+// for this encoding and its only requirement is to be unique, this choice is
+// arbitrary.  Users will see these in some exporters (e.g., stdout), so the
+// backslash ('\') is used as a conventional choice.
 const escapeChar = '\\'
 
 var (
-	_ Encoder = &defaultLabelEncoder{}
+	_ Encoder = &defaultAttrEncoder{}
 
-	// encoderIDCounter is for generating IDs for other label
-	// encoders.
+	// encoderIDCounter is for generating IDs for other attribute encoders.
 	encoderIDCounter uint64
 
 	defaultEncoderOnce     sync.Once
 	defaultEncoderID       = NewEncoderID()
-	defaultEncoderInstance *defaultLabelEncoder
+	defaultEncoderInstance *defaultAttrEncoder
 )
 
-// NewEncoderID returns a unique label encoder ID. It should be
-// called once per each type of label encoder. Preferably in init() or
-// in var definition.
+// NewEncoderID returns a unique attribute encoder ID. It should be called
+// once per each type of attribute encoder. Preferably in init() or in var
+// definition.
 func NewEncoderID() EncoderID {
 	return EncoderID{value: atomic.AddUint64(&encoderIDCounter, 1)}
 }
 
-// DefaultEncoder returns a label encoder that encodes labels
-// in such a way that each escaped label's key is followed by an equal
-// sign and then by an escaped label's value. All key-value pairs are
-// separated by a comma.
+// DefaultEncoder returns an attribute encoder that encodes attributes in such
+// a way that each escaped attribute's key is followed by an equal sign and
+// then by an escaped attribute's value. All key-value pairs are separated by
+// a comma.
 //
-// Escaping is done by prepending a backslash before either a
-// backslash, equal sign or a comma.
+// Escaping is done by prepending a backslash before either a backslash, equal
+// sign or a comma.
 func DefaultEncoder() Encoder {
 	defaultEncoderOnce.Do(func() {
-		defaultEncoderInstance = &defaultLabelEncoder{
+		defaultEncoderInstance = &defaultAttrEncoder{
 			pool: sync.Pool{
 				New: func() interface{} {
 					return &bytes.Buffer{}
@@ -101,15 +98,14 @@ func DefaultEncoder() Encoder {
 	return defaultEncoderInstance
 }
 
-// Encode is a part of an implementation of the LabelEncoder
-// interface.
-func (d *defaultLabelEncoder) Encode(iter Iterator) string {
+// Encode is a part of an implementation of the AttributeEncoder interface.
+func (d *defaultAttrEncoder) Encode(iter Iterator) string {
 	buf := d.pool.Get().(*bytes.Buffer)
 	defer d.pool.Put(buf)
 	buf.Reset()
 
 	for iter.Next() {
-		i, keyValue := iter.IndexedLabel()
+		i, keyValue := iter.IndexedAttribute()
 		if i > 0 {
 			_, _ = buf.WriteRune(',')
 		}
@@ -126,8 +122,8 @@ func (d *defaultLabelEncoder) Encode(iter Iterator) string {
 	return buf.String()
 }
 
-// ID is a part of an implementation of the LabelEncoder interface.
-func (*defaultLabelEncoder) ID() EncoderID {
+// ID is a part of an implementation of the AttributeEncoder interface.
+func (*defaultAttrEncoder) ID() EncoderID {
 	return defaultEncoderID
 }
 
@@ -137,9 +133,9 @@ func copyAndEscape(buf *bytes.Buffer, val string) {
 	for _, ch := range val {
 		switch ch {
 		case '=', ',', escapeChar:
-			buf.WriteRune(escapeChar)
+			_, _ = buf.WriteRune(escapeChar)
 		}
-		buf.WriteRune(ch)
+		_, _ = buf.WriteRune(ch)
 	}
 }