docs: update Butane config examples to use stable version strings instead of experimental

Author: Roshan-R

docs/examples.md

@@ -487,31 +487,31 @@ This example embeds an Ignition config directly into the Butane config:
 <!-- butane-config -->
 ```yaml
 variant: fcos
-version: 1.7.0-experimental
+version: 1.6.0
 ignition:
   config:
     merge:
-    - inline: '{"ignition": {"version": "3.6.0-experimental"}}'
+    - inline: '{"ignition": {"version": "3.5.0"}}'
 ```
 
 This example merges an Ignition from a local file. The file directory can be specified using the `-d/--files` option when running Butane.
 
 <!-- butane-config -->
 ```yaml
 variant: fcos
-version: 1.7.0-experimental
+version: 1.6.0
 ignition:
   config:
     merge:
-    - local: ignition.ig
+    - local: ignition.ign
 ```
 
 This example fetches and merges an Ignition config from a remote URL.
 
 <!-- butane-config -->
 ```yaml
 variant: fcos
-version: 1.7.0-experimental
+version: 1.6.0
 ignition:
   config:
     merge:

test

@@ -53,7 +53,7 @@ if [ -n "${csplit}" ] && [ -n "${head}" ]; then
     touch tmpdocs/files-dir/{config.ign,ca.pem,example.conf,example.service,file,file-epilogue,local-file3}
     echo "ssh-rsa AAAA" > tmpdocs/files-dir/id_rsa.pub
     echo "ssh-ed25519 AAAA" > tmpdocs/files-dir/id_ed25519.pub
-    echo '{"ignition": {"version": "3.6.0-experimental"}}' > tmpdocs/files-dir/ignition.ig
+    echo '{"ignition": {"version": "3.5.0"}}' > tmpdocs/files-dir/ignition.ign
 
     for doc in docs/*md
     do