website/docs: add global to values.yaml snippets and update version (#22524)

Add global to values.yaml snippets and update version

Author: dewi-tik

website/docs/install-config/beta.mdx

@@ -18,7 +18,7 @@ Downgrading from RC or Beta versions is not supported. It is recommended to take
 
 ## Release Candidate (RC) versions
 
-Release candidates are available for testing before major version releases. To use an RC version, you need to specify the exact RC tag (e.g., `2025.10.0-rc3`).
+Release candidates are available for testing before major version releases. To use an RC version, you need to specify the exact RC tag (e.g., `2026.5.0-rc2`).
 
 <Tabs
   defaultValue="docker-compose"
@@ -28,10 +28,10 @@ Release candidates are available for testing before major version releases. To u
   ]}
   groupId="platform">
   <TabItem value="docker-compose">
-Add the following block to your `.env` file, replacing `2025.10.0-rc3` with the desired RC version:
+Add the following block to your `.env` file, replacing `2026.5.0-rc2` with the desired RC version:
 
 ```shell
-AUTHENTIK_TAG=2025.10.0-rc3
+AUTHENTIK_TAG=2026.5.0-rc2
 ```
 
 Next, pull the image and redeploy:
@@ -44,13 +44,14 @@ docker compose up -d
   </TabItem>
 
   <TabItem value="kubernetes">
-Add the following block to your `values.yaml` file, replacing `2025.10.0-rc3` with the desired RC version:
+Add the following block to your `values.yaml` file, replacing `2026.5.0-rc2` with the desired RC version:
 
 ```yaml
-image:
-    tag: 2025.10.0-rc3
-    # pullPolicy: Always to ensure you always get the latest version
-    pullPolicy: Always
+global:
+    image:
+        tag: 2026.5.0-rc2
+        # pullPolicy: Always to ensure you always get the latest version
+        pullPolicy: Always
 ```
 
 Next, run the upgrade commands:
@@ -94,11 +95,12 @@ Add the following block to your `values.yml` file:
 authentik:
     outposts:
         container_image_base: ghcr.io/goauthentik/dev-%(type)s:gh-%(build_hash)s
-image:
-    repository: ghcr.io/goauthentik/dev-server
-    tag: gh-next
-    # pullPolicy: Always to ensure you always get the latest version
-    pullPolicy: Always
+global:
+    image:
+        repository: ghcr.io/goauthentik/dev-server
+        tag: gh-next
+        # pullPolicy: Always to ensure you always get the latest version
+        pullPolicy: Always
 ```
 
 Next, run the upgrade commands below.