Update dependency drupal/redis to v1.9.0 (#2891)

This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [drupal/redis](https://www.drupal.org/project/redis)
([source](https://git.drupalcode.org/project/redis.git)) | `1.8.0` ->
`1.9.0` |
[![age](https://developer.mend.io/api/mc/badges/age/packagist/drupal%2fredis/1.9.0?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![adoption](https://developer.mend.io/api/mc/badges/adoption/packagist/drupal%2fredis/1.9.0?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![passing](https://developer.mend.io/api/mc/badges/compatibility/packagist/drupal%2fredis/1.8.0/1.9.0?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![confidence](https://developer.mend.io/api/mc/badges/confidence/packagist/drupal%2fredis/1.8.0/1.9.0?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|

---

### Configuration

📅 **Schedule**: Branch creation - At any time (no schedule defined),
Automerge - At any time (no schedule defined).

🚦 **Automerge**: Enabled.

♻ **Rebasing**: Whenever PR is behind base branch, or you tick the
rebase/retry checkbox.

🔕 **Ignore**: Close this PR and you won't be reminded about this update
again.

---

- [ ] <!-- rebase-check -->If you want to rebase/retry this PR, check
this box

---

This PR was generated by [Mend Renovate](https://mend.io/renovate/).
View the [repository job
log](https://developer.mend.io/github/Runroom/archetype-drupal).

<!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiIzOS4xMDcuMCIsInVwZGF0ZWRJblZlciI6IjM5LjEwNy4wIiwidGFyZ2V0QnJhbmNoIjoibWFpbiIsImxhYmVscyI6W119-->

composer.json

@@ -38,7 +38,7 @@
         "drupal/pathauto": "1.13.0",
         "drupal/r4032login": "2.2.2",
         "drupal/redirect": "1.10.0",
-        "drupal/redis": "1.8.0",
+        "drupal/redis": "1.9.0",
         "drupal/stable": "2.1.0",
         "drupal/twig_field_value": "2.0.5",
         "drupal/twig_tweak": "3.4.0",