Update home-assistant/base image to 3.23-2026.05.0 (#190)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

Dockerfile

@@ -37,7 +37,7 @@ RUN \
     && make coredns SYSTEM="CGO_ENABLED=0 GOOS=linux GOARCH=${TARGETARCH}"
 
 # Base image updated by Renovate, update versionCompatibility on Alpine base bump
-FROM ghcr.io/home-assistant/base:3.23-2026.04.0@sha256:5ea71eca9735949b080a05d271988c9663af3bd1050297abedefa222c61e6807
+FROM ghcr.io/home-assistant/base:3.23-2026.05.0@sha256:3036cd72ba7755263cd103acc77cb0b438462720c2c8c23b7c2b52e52d7f4b50
 
 WORKDIR /config
 COPY --from=builder /usr/src/coredns/coredns /usr/bin/coredns