[stable/testlink] Adapt docs to Helm 3 (#20680)

Signed-off-by: Carlos Rodriguez Hernandez <crhernandez@bitnami.com>

stable/testlink/Chart.yaml

@@ -1,6 +1,6 @@
 apiVersion: v1
 name: testlink
-version: 7.1.0
+version: 7.1.1
 appVersion: 1.9.19
 description: Web-based test management system that facilitates software quality assurance.
 icon: https://bitnami.com/assets/stacks/testlink/img/testlink-stack-220x234.png

stable/testlink/README.md

@@ -5,7 +5,7 @@
 ## TL;DR;
 
 ```console
-$ helm install stable/testlink
+$ helm install my-release stable/testlink
 ```
 
 ## Introduction
@@ -28,7 +28,7 @@ Bitnami charts can be used with [Kubeapps](https://kubeapps.com/) for deployment
 To install the chart with the release name `my-release`:
 
 ```console
-$ helm install --name my-release stable/testlink
+$ helm install my-release stable/testlink
 ```
 
 The command deploys TestLink on the Kubernetes cluster in the default configuration. The [Parameters](#parameters) section lists the parameters that can be configured during installation.
@@ -121,7 +121,7 @@ The above parameters map to the env variables defined in [bitnami/testlink](http
 Specify each parameter using the `--set key=value[,key=value]` argument to `helm install`. For example,
 
 ```console
-$ helm install --name my-release \
+$ helm install my-release \
   --set testlinkUsername=admin,testlinkPassword=password,mariadb.mariadbRootPassword=secretpassword \
     stable/testlink
 ```
@@ -131,7 +131,7 @@ The above command sets the TestLink administrator account username and password
 Alternatively, a YAML file that specifies the values for the above parameters can be provided while installing the chart. For example,
 
 ```console
-$ helm install --name my-release -f values.yaml stable/testlink
+$ helm install my-release -f values.yaml stable/testlink
 ```
 
 > **Tip**: You can use the default [values.yaml](values.yaml)