Bump library/alpine from 3.18.4 to 3.18.5 in /build/package

Bumps library/alpine from 3.18.4 to 3.18.5.

---
updated-dependencies:
- dependency-name: library/alpine
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

build/package/Dockerfile.alpine

@@ -1,6 +1,6 @@
 # SPDX-License-Identifier: MIT
 # https://hub.docker.com/_/alpine
-FROM docker.io/library/alpine:3.18.4
+FROM docker.io/library/alpine:3.18.5
 
 COPY semver /usr/local/bin/semver