Update ginkgo to v2 in go.mod, go.sum, vendor

This commit updates ginkgo to v2.
Note that because ginkgo/v2 requires go1.18, it was
updated as well.

Signed-off-by: liornoy <lnoy@redhat.com>
Co-authored-by: Sascha Grunert <sgrunert@redhat.com>

vendor/github.com/onsi/ginkgo/v2/internal/writer.go

@@ -0,0 +1,140 @@
+package internal
+
+import (
+	"bytes"
+	"fmt"
+	"io"
+	"sync"
+
+	"github.com/go-logr/logr"
+	"github.com/go-logr/logr/funcr"
+)
+
+type WriterMode uint
+
+const (
+	WriterModeStreamAndBuffer WriterMode = iota
+	WriterModeBufferOnly
+)
+
+type WriterInterface interface {
+	io.Writer
+
+	Truncate()
+	Bytes() []byte
+	Len() int
+}
+
+// Writer implements WriterInterface and GinkgoWriterInterface
+type Writer struct {
+	buffer    *bytes.Buffer
+	outWriter io.Writer
+	lock      *sync.Mutex
+	mode      WriterMode
+
+	streamIndent []byte
+	indentNext   bool
+
+	teeWriters []io.Writer
+}
+
+func NewWriter(outWriter io.Writer) *Writer {
+	return &Writer{
+		buffer:       &bytes.Buffer{},
+		lock:         &sync.Mutex{},
+		outWriter:    outWriter,
+		mode:         WriterModeStreamAndBuffer,
+		streamIndent: []byte("  "),
+		indentNext:   true,
+	}
+}
+
+func (w *Writer) SetMode(mode WriterMode) {
+	w.lock.Lock()
+	defer w.lock.Unlock()
+	w.mode = mode
+}
+
+func (w *Writer) Len() int {
+	w.lock.Lock()
+	defer w.lock.Unlock()
+	return w.buffer.Len()
+}
+
+var newline = []byte("\n")
+
+func (w *Writer) Write(b []byte) (n int, err error) {
+	w.lock.Lock()
+	defer w.lock.Unlock()
+
+	for _, teeWriter := range w.teeWriters {
+		teeWriter.Write(b)
+	}
+
+	if w.mode == WriterModeStreamAndBuffer {
+		line, remaining, found := []byte{}, b, false
+		for len(remaining) > 0 {
+			line, remaining, found = bytes.Cut(remaining, newline)
+			if len(line) > 0 {
+				if w.indentNext {
+					w.outWriter.Write(w.streamIndent)
+					w.indentNext = false
+				}
+				w.outWriter.Write(line)
+			}
+			if found {
+				w.outWriter.Write(newline)
+				w.indentNext = true
+			}
+		}
+	}
+	return w.buffer.Write(b)
+}
+
+func (w *Writer) Truncate() {
+	w.lock.Lock()
+	defer w.lock.Unlock()
+	w.buffer.Reset()
+}
+
+func (w *Writer) Bytes() []byte {
+	w.lock.Lock()
+	defer w.lock.Unlock()
+	b := w.buffer.Bytes()
+	copied := make([]byte, len(b))
+	copy(copied, b)
+	return copied
+}
+
+// GinkgoWriterInterface
+func (w *Writer) TeeTo(writer io.Writer) {
+	w.lock.Lock()
+	defer w.lock.Unlock()
+
+	w.teeWriters = append(w.teeWriters, writer)
+}
+
+func (w *Writer) ClearTeeWriters() {
+	w.lock.Lock()
+	defer w.lock.Unlock()
+
+	w.teeWriters = []io.Writer{}
+}
+
+func (w *Writer) Print(a ...interface{}) {
+	fmt.Fprint(w, a...)
+}
+
+func (w *Writer) Printf(format string, a ...interface{}) {
+	fmt.Fprintf(w, format, a...)
+}
+
+func (w *Writer) Println(a ...interface{}) {
+	fmt.Fprintln(w, a...)
+}
+
+func GinkgoLogrFunc(writer *Writer) logr.Logger {
+	return funcr.New(func(prefix, args string) {
+		writer.Printf("%s", args)
+	}, funcr.Options{})
+}