Reference newer debian version in examples

Author: ezilber-akamai

linode_api4/groups/linode.py

@@ -184,7 +184,7 @@ def instance_create(
            new_linode, password = client.linode.instance_create(
                "g6-standard-2",
                "us-east",
-               image="linode/debian9",
+               image="linode/debian13",
                root_pass="aComplex@Password123")
 
            ltype = client.linode.types().first()
@@ -219,7 +219,7 @@ def instance_create(
            new_linode, password = client.linode.instance_create(
               "g6-standard-2",
               "us-east",
-              image="linode/debian9",
+              image="linode/debian13",
               root_pass="aComplex@Password123",
               stackscript=stackscript,
               stackscript_data={"gh_username": "example"})