chore: update docker/dockerfile-upstream docker tag to v1.21.0

renovate[bot] · web-flow · commit 4a3f6487d67a · 2026-01-22T07:49:18.000Z
Signed-off-by: renovate[bot] &lt;29139614+renovate[bot]@users.noreply.github.com&gt;
diff --git a/Dockerfile b/Dockerfile
@@ -1,4 +1,4 @@
-# syntax = docker/dockerfile-upstream:1.9.0-labs
+# syntax = docker/dockerfile-upstream:1.21.0-labs
 
 # THIS FILE WAS AUTOMATICALLY GENERATED, PLEASE DO NOT EDIT.
 #

Original file line number	Diff line number	Diff line change
`@@ -1,4 +1,4 @@`
`1`		`-# syntax = docker/dockerfile-upstream:1.9.0-labs`
	`1`	`+# syntax = docker/dockerfile-upstream:1.21.0-labs`
`2`	`2`
`3`	`3`	`# THIS FILE WAS AUTOMATICALLY GENERATED, PLEASE DO NOT EDIT.`
`4`	`4`	`#`