chore: update livenessprobe to v2.18.0-20260508

longhorn/longhorn-13022

Signed-off-by: Chin-Ya Huang <chin-ya.huang@suse.com>

Author: c3y1huang

versions.json

@@ -81,7 +81,7 @@
   },
   "livenessprobe": {
     "repo": "https://github.com/kubernetes-csi/livenessprobe.git",
-    "tag": "v2.18.0-20260428"
+    "tag": "v2.18.0-20260508"
   },
   "support-bundle-kit": {
     "repo": "https://github.com/rancher/support-bundle-kit.git",