rebase: Bump github.com/hashicorp/vault from 1.4.2 to 1.9.9

Bumps [github.com/hashicorp/vault](https://github.com/hashicorp/vault) from 1.4.2 to 1.9.9.
- [Release notes](https://github.com/hashicorp/vault/releases)
- [Changelog](https://github.com/hashicorp/vault/blob/main/CHANGELOG.md)
- [Commits](https://github.com/hashicorp/vault/compare/v1.4.2...v1.9.9)

---
updated-dependencies:
- dependency-name: github.com/hashicorp/vault
  dependency-type: indirect
...

Signed-off-by: dependabot[bot] <support@github.com>

vendor/github.com/cenkalti/backoff/v3/ticker.go

@@ -1,6 +1,7 @@
 package backoff
 
 import (
+	"context"
 	"sync"
 	"time"
 )
@@ -12,7 +13,9 @@ import (
 type Ticker struct {
 	C        <-chan time.Time
 	c        chan time.Time
-	b        BackOffContext
+	b        BackOff
+	ctx      context.Context
+	timer    Timer
 	stop     chan struct{}
 	stopOnce sync.Once
 }
@@ -24,12 +27,20 @@ type Ticker struct {
 // provided backoff policy (notably calling NextBackOff or Reset)
 // while the ticker is running.
 func NewTicker(b BackOff) *Ticker {
+	return NewTickerWithTimer(b, &defaultTimer{})
+}
+
+// NewTickerWithTimer returns a new Ticker with a custom timer.
+// A default timer that uses system timer is used when nil is passed.
+func NewTickerWithTimer(b BackOff, timer Timer) *Ticker {
 	c := make(chan time.Time)
 	t := &Ticker{
-		C:    c,
-		c:    c,
-		b:    ensureContext(b),
-		stop: make(chan struct{}),
+		C:     c,
+		c:     c,
+		b:     b,
+		ctx:   getContext(b),
+		timer: timer,
+		stop:  make(chan struct{}),
 	}
 	t.b.Reset()
 	go t.run()
@@ -59,7 +70,7 @@ func (t *Ticker) run() {
 		case <-t.stop:
 			t.c = nil // Prevent future ticks from being sent to the channel.
 			return
-		case <-t.b.Context().Done():
+		case <-t.ctx.Done():
 			return
 		}
 	}
@@ -78,5 +89,6 @@ func (t *Ticker) send(tick time.Time) <-chan time.Time {
 		return nil
 	}
 
-	return time.After(next)
+	t.timer.Start(next)
+	return t.timer.C()
 }