[DEPRECATION] Islandora IIIF uses deprecated HTTPClient class

[alxp]

```bash`

PHP Deprecated: Creation of dynamic property Drupal\islandora_iiif\Plugin\views\style\IIIFManifest::$httpClient is deprecated in /Users/.../Sites/d10/web/modules/contrib/islandora/modules/islandora_iiif/src/Plugin/views/style/IIIFManifest.php on line 115

Deprecated: Creation of dynamic property Drupal\islandora_iiif\Plugin\views\style\IIIFManifest::$httpClient is deprecated in /Users/.../Sites/d10/web/modules/contrib/islandora/modules/islandora_iiif/src/Plugin/views/style/IIIFManifest.php on line 115
Alexanders-MBP:d10 alexanderoneill$

[alxp]

FYI these deprecation notices show up when I run a Drush command on a Drupal 10 site, so the deprecation won't be removed until Drupal 11, so this ticket is pretty low priority.

I'll either fix it myself in the course of doing something else or close it for the time being.