[release-18.0] Fix backup on s3 like storage (#14311) (#14362)

Signed-off-by: Leopold Jacquot <[email protected]>
Co-authored-by: vitess-bot[bot] <108069721+vitess-bot[bot]@users.noreply.github.com>

go/vt/mysqlctl/s3backupstorage/s3.go

@@ -173,7 +173,8 @@ func (bh *S3BackupHandle) AddFile(ctx context.Context, filename string, filesize
 		})
 		object := objName(bh.dir, bh.name, filename)
 		sendStats := bh.bs.params.Stats.Scope(stats.Operation("AWS:Request:Send"))
-		_, err := uploader.UploadWithContext(ctx, &s3manager.UploadInput{
+		// Using UploadWithContext breaks uploading to Minio and Ceph https://github.com/vitessio/vitess/issues/14188
+		_, err := uploader.Upload(&s3manager.UploadInput{
 			Bucket:               &bucket,
 			Key:                  object,
 			Body:                 reader,