Fix category for home-automation charts (#17213)

**Description**
In various Chart.yaml, normalise category home-automation.

In section keywords, second keyword has also been normalised to match
category name.

⚒️ Fixes  #17212

**⚙️ Type of change**

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

**🧪 How Has This Been Tested?**
Not tested.

**📃 Notes:**

**✔️ Checklist:**

- [ ] ⚖️ My code follows the style guidelines of this project
- [x] 👀 I have performed a self-review of my own code
- [ ] #️⃣ 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

**➕ App addition**

If this PR is an app addition please make sure you have done the
following.

- [ ] 🪞 I have opened a PR on
[truecharts/containers](https://github.com/truecharts/containers) adding
the container to TrueCharts mirror repo.
- [ ] 🖼️ I have added an icon in the Chart's root directory called
`icon.png`

---

charts/stable/cura-novnc/Chart.yaml

@@ -2,7 +2,7 @@ annotations:
   max_scale_version: 23.10.2
   min_scale_version: 23.10.0
   truecharts.org/SCALE-support: "true"
-  truecharts.org/category: HomeAutomation
+  truecharts.org/category: home-automation
   truecharts.org/max_helm_version: "3.13"
   truecharts.org/min_helm_version: "3.12"
   truecharts.org/train: stable
@@ -22,7 +22,7 @@ home: https://truecharts.org/charts/stable/cura-novnc
 icon: https://truecharts.org/img/hotlink-ok/chart-icons/cura-novnc.png
 keywords:
   - cura-novnc
-  - HomeAutomation
+  - home-automation
   - Productivity
 kubeVersion: ">=1.24.0-0"
 maintainers:
@@ -35,4 +35,4 @@ sources:
   - https://hub.docker.com/r/mikeah/cura-novnc
   - https://ultimaker.com/software/ultimaker-cura
 type: application
-version: 7.1.7
+version: 7.1.8