chore(deps): update dependency home-assistant/operating-system to v18 (#1718)

Co-authored-by: ha-mcp-renovate[bot] <283715759+ha-mcp-renovate[bot]@users.noreply.github.com>

Author: ha-mcp-renovate[bot]

tests/haos_image_build/build_image.py

@@ -40,7 +40,7 @@
 # expand the list and migrate more existing E2E tests over.
 #
 # renovate: datasource=github-releases depName=home-assistant/operating-system
-HAOS_VERSION = "17.3"
+HAOS_VERSION = "18.0"
 HAOS_QCOW2_URL = (
     f"https://github.com/home-assistant/operating-system/releases/download/"
     f"{HAOS_VERSION}/haos_ova-{HAOS_VERSION}.qcow2.xz"