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/nxadm/tail/ratelimiter/memory.go

@@ -1,60 +0,0 @@
-package ratelimiter
-
-import (
-	"errors"
-	"time"
-)
-
-const (
-	GC_SIZE   int           = 100
-	GC_PERIOD time.Duration = 60 * time.Second
-)
-
-type Memory struct {
-	store           map[string]LeakyBucket
-	lastGCCollected time.Time
-}
-
-func NewMemory() *Memory {
-	m := new(Memory)
-	m.store = make(map[string]LeakyBucket)
-	m.lastGCCollected = time.Now()
-	return m
-}
-
-func (m *Memory) GetBucketFor(key string) (*LeakyBucket, error) {
-
-	bucket, ok := m.store[key]
-	if !ok {
-		return nil, errors.New("miss")
-	}
-
-	return &bucket, nil
-}
-
-func (m *Memory) SetBucketFor(key string, bucket LeakyBucket) error {
-
-	if len(m.store) > GC_SIZE {
-		m.GarbageCollect()
-	}
-
-	m.store[key] = bucket
-
-	return nil
-}
-
-func (m *Memory) GarbageCollect() {
-	now := time.Now()
-
-	// rate limit GC to once per minute
-	if now.Unix() >= m.lastGCCollected.Add(GC_PERIOD).Unix() {
-		for key, bucket := range m.store {
-			// if the bucket is drained, then GC
-			if bucket.DrainedAt().Unix() < now.Unix() {
-				delete(m.store, key)
-			}
-		}
-
-		m.lastGCCollected = now
-	}
-}