Update docker/dockerfile Docker tag to v1.20

renovate[bot] · web-flow · commit 890b4ed167da · 2025-11-28T13:07:44.000Z
| datasource | package           | from | to   |
| ---------- | ----------------- | ---- | ---- |
| docker     | docker/dockerfile | 1.19 | 1.20 |


Signed-off-by: renovate[bot] &lt;29139614+renovate[bot]@users.noreply.github.com&gt;
diff --git a/tests/Dockerfile b/tests/Dockerfile
@@ -1,4 +1,4 @@
-# syntax=docker/dockerfile:1.19
+# syntax=docker/dockerfile:1.20
 FROM python:3.14-trixie@sha256:d88b1201e20b36976ff9d779cf1705cfa3598540a81bc31f0eee70a1e1f318e3
 
 

Original file line number	Diff line number	Diff line change
`@@ -1,4 +1,4 @@`
`1`		`-# syntax=docker/dockerfile:1.19`
	`1`	`+# syntax=docker/dockerfile:1.20`
`2`	`2`	`FROM python:3.14-trixie@sha256:d88b1201e20b36976ff9d779cf1705cfa3598540a81bc31f0eee70a1e1f318e3`
`3`	`3`
`4`	`4`