docs(kubernetes): use v4 helm chart instead of beta

Author: mstruebing

docs/self-hosting/kubernetes.mdx

@@ -61,7 +61,7 @@ webapp:
 ```bash
 helm upgrade -n trigger --install trigger \
   oci://ghcr.io/triggerdotdev/charts/trigger \
-  --version "~4.0.0-beta" \
+  --version "~4.0.0" \
   --create-namespace
 ```
 
@@ -107,11 +107,11 @@ The following commands will display the default values:
 ```bash
 # Specific version
 helm show values oci://ghcr.io/triggerdotdev/charts/trigger \
-  --version "4.0.0-beta.5"
+  --version "4.0.5"
 
-# Latest v4 beta
+# Latest v4
 helm show values oci://ghcr.io/triggerdotdev/charts/trigger \
-  --version "~4.0.0-beta"
+  --version "~4.0.0"
 ```
 
 ### Custom values
@@ -171,7 +171,7 @@ Deploy with your custom values:
 ```bash
 helm upgrade -n trigger --install trigger \
   oci://ghcr.io/triggerdotdev/charts/trigger \
-  --version "~4.0.0-beta" \
+  --version "~4.0.0" \
   --create-namespace \
   -f values-custom.yaml
 ```
@@ -489,14 +489,14 @@ You can lock versions in two ways:
 # Pin to a specific version for production
 helm upgrade -n trigger --install trigger \
   oci://ghcr.io/triggerdotdev/charts/trigger \
-  --version "4.0.0-beta.5"
+  --version "4.0.5"
 
 # The app version will be different from the chart version
 # This is the version of the Trigger.dev webapp and supervisor
 # ..and should always match your Trigger.dev CLI version
 helm show chart \
   oci://ghcr.io/triggerdotdev/charts/trigger \
-  --version "4.0.0-beta.5" | grep appVersion
+  --version "4.0.5" | grep appVersion
 ```
 
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