[TASK] Update package `doctrine/instantiator`

In parallel to TYPO3, in order to require the package
`doctrine/orm:^2.6.0` (and further), the package `doctrine/instantiator`
must be required at least with version `1.1.0`.

Used composer command: `composer req doctrine/instantiator:^1.0`

Resolves: #86965
Releases: master
Change-Id: I473caa015bc1d6431654cbb889148cd396e7412b
Reviewed-on: https://review.typo3.org/58924


Reviewed-by: Wouter Wolters <typo3@wouterwolters.nl>
Tested-by: TYPO3com <no-reply@typo3.com>
Reviewed-by: Georg Großberger <garfieldius67@gmail.com>
Tested-by: Georg Großberger <garfieldius67@gmail.com>
Reviewed-by: Josef Glatz <josef.glatz@typo3.org>
Tested-by: Josef Glatz <josef.glatz@typo3.org>
Reviewed-by: Georg Ringer <georg.ringer@gmail.com>
Reviewed-by: Jan Helke <typo3@helke.de>
Tested-by: Jan Helke <typo3@helke.de>