[deps]: Update docker/dockerfile Docker tag to v1.18 (#319)

renovate[bot] · web-flow · commit 7f9889b93b0a · 2025-10-13T09:41:40.000-04:00
Co-authored-by: renovate[bot] &lt;29139614+renovate[bot]@users.noreply.github.com&gt;
diff --git a/docker-unified/Dockerfile b/docker-unified/Dockerfile
@@ -1,4 +1,4 @@
-# syntax = docker/dockerfile:1.11
+# syntax = docker/dockerfile:1.18
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