fix(Immich) - Add backup section for v1.120.0 (#28932)

**Description**
It fix the backup section missing for 1.120.0 for immich with the
introduction of db backup, maybe not a good quality but if needed its
here


**⚙️ Type of change**

- [ ] ⚙️ Feature/App addition
- [x] 🪛 Bugfix
- [ ] ⚠️ Breaking change (fix or feature that would cause existing
functionality to not work as expected)
- [ ] 🔃 Refactor of current code

**🧪 How Has This Been Tested?**
Yes on my cluster

**✔️ Checklist:**

- [X ] ⚖️ My code follows the style guidelines of this project
- [X ] 👀 I have performed a self-review of my own code
- [X ] #️⃣ I have commented my code, particularly in hard-to-understand
areas
- [ ] 📄 I have made corresponding changes to the documentation
- [ ] ⚠️ My changes generate no new warnings
- [ ] 🧪 I have added tests to this description that prove my fix is
effective or that my feature works
- [ ] ⬆️ I increased versions for any altered app according to semantic
versioning
- [x ] I made sure the title starts with `feat(chart-name):`,
`fix(chart-name):` or `chore(chart-name):`

---------

Signed-off-by: yodatak <mryodatak@gmail.com>
Signed-off-by: Stavros Kois <47820033+stavros-k@users.noreply.github.com>
Co-authored-by: Stavros Kois <47820033+stavros-k@users.noreply.github.com>

charts/stable/immich/Chart.yaml

@@ -40,4 +40,4 @@ sources:
   - https://github.com/immich-app/immich
   - https://github.com/truecharts/charts/tree/master/charts/stable/immich
 type: application
-version: 17.23.4
+version: 17.22.5

charts/stable/immich/values.yaml

@@ -95,6 +95,15 @@ persistence:
         main: {}
       microservices:
         microservices: {}
+  backups:
+    enabled: true
+    mountPath: /usr/src/app/upload/backups
+    targetSelector:
+      # Main pod/container is server
+      main:
+        main: {}
+      microservices:
+        microservices: {}
   thumbs:
     enabled: true
     mountPath: /usr/src/app/upload/thumbs