chore(docs/ci): ensure docs and ci reflect new train names (#19211)

**Description**
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⚒️ Fixes  # <!--(issue)-->

**⚙️ Type of change**

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

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**✔️ Checklist:**

- [ ] ⚖️ My code follows the style guidelines of this project
- [ ] 👀 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
- [ ] I made sure the title starts with `feat(chart-name):`,
`fix(chart-name):` or `chore(chart-name):`

**➕ App addition**

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

- [ ] 🖼️ I have added an icon in the Chart's root directory called
`icon.png`

---

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.github/scripts/install_dependencies.sh

@@ -10,7 +10,7 @@ fi
 
 echo "Chart name: $curr_chart"
 
-if [[ "$curr_chart" == "charts/enterprise/metallb-config" ]]; then
+if [[ "$curr_chart" == "charts/premium/metallb-config" ]]; then
     echo "Installing metallb chart"
     helm install metallb oci://tccr.io/truecharts/metallb --namespace metallb --create-namespace --wait
     if [[ "$?" != "0" ]]; then
@@ -21,7 +21,7 @@ if [[ "$curr_chart" == "charts/enterprise/metallb-config" ]]; then
 fi
 
 
-if [[ "$curr_chart" == "charts/enterprise/clusterissuer" ]]; then
+if [[ "$curr_chart" == "charts/premium/clusterissuer" ]]; then
     echo "Installing cert-manager chart"
     helm install cert-manager oci://tccr.io/truecharts/cert-manager --namespace cert-manager --create-namespace --wait
     if [[ "$?" != "0" ]]; then
@@ -31,7 +31,7 @@ if [[ "$curr_chart" == "charts/enterprise/clusterissuer" ]]; then
     echo "Done installing cert-manager chart"
 fi
 
-if [[ "$curr_chart" != "charts/operators/prometheus-operator" ]]; then
+if [[ "$curr_chart" != "charts/system/prometheus-operator" ]]; then
     echo "Installing prometheus-operator chart"
     helm install prometheus-operator oci://tccr.io/truecharts/prometheus-operator --namespace prometheus-operator --create-namespace --wait
     if [[ "$?" != "0" ]]; then
@@ -41,7 +41,7 @@ if [[ "$curr_chart" != "charts/operators/prometheus-operator" ]]; then
     echo "Done installing prometheus-operator chart"
 fi
 
-if [[ "$curr_chart" != "charts/operators/cloudnative-pg" ]]; then
+if [[ "$curr_chart" != "charts/system/cloudnative-pg" ]]; then
     echo "Installing cloudnative-pg chart"
     helm install cloudnative-pg oci://tccr.io/truecharts/cloudnative-pg --namespace cloudnative-pg --create-namespace --wait
     if [[ "$?" != "0" ]]; then
@@ -51,7 +51,7 @@ if [[ "$curr_chart" != "charts/operators/cloudnative-pg" ]]; then
     echo "Done installing cloudnative-pg chart"
 fi
 
-if [[ "$curr_chart" != "charts/enterprise/traefik" ]]; then
+if [[ "$curr_chart" != "charts/premium/traefik" ]]; then
    echo "Installing traefik chart"
    helm install traefik oci://tccr.io/truecharts/traefik --namespace traefik --create-namespace --wait \
      --set "service.main.type=ClusterIP" --set "service.tcp.type=ClusterIP"