rebase: bump golang.org/x/net from 0.35.0 to 0.36.0 in /e2e

Bumps [golang.org/x/net](https://github.com/golang/net) from 0.35.0 to 0.36.0.
- [Commits](https://github.com/golang/net/compare/v0.35.0...v0.36.0)

---
updated-dependencies:
- dependency-name: golang.org/x/net
  dependency-type: indirect
...

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

e2e/vendor/google.golang.org/grpc/picker_wrapper.go

@@ -123,7 +123,7 @@ func (pw *pickerWrapper) pick(ctx context.Context, failfast bool, info balancer.
 				if lastPickErr != nil {
 					errStr = "latest balancer error: " + lastPickErr.Error()
 				} else {
-					errStr = fmt.Sprintf("received context error while waiting for new LB policy update: %s", ctx.Err().Error())
+					errStr = fmt.Sprintf("%v while waiting for connections to become ready", ctx.Err())
 				}
 				switch ctx.Err() {
 				case context.DeadlineExceeded: