Update self-hosted actions to v0.308.0

Author: aledbf

action.yml

@@ -35,7 +35,7 @@ inputs:
   image:
     description: Specifies the name of the image that the disk will be initialized with.
     required: false
-    default: gh-runner-202308091853
+    default: gh-runner-202308191752
   image_family:
     description: The image family for the operating system that the boot disk will be initialized with.
     required: false

vm/setup.sh

@@ -6,7 +6,7 @@ export DEBIAN_FRONTEND=noninteractive
 
 RUNNER_USER="runner"
 RUNNER_DIR="/home/${RUNNER_USER}"
-RUNNER_VER=2.307.1
+RUNNER_VER=2.308.0
 
 HELM_VERSION=3.12.1