chore(deps): update docker/dockerfile docker tag to v1.22.0 (maint/2.x) (#19)

renovate[bot] · web-flow · commit 9830db319898 · 2026-03-08T13:43:16.000+01:00
chore(deps): update docker/dockerfile docker tag to v1.22.0

| datasource | package           | from   | to     |
| ---------- | ----------------- | ------ | ------ |
| docker     | docker/dockerfile | 1.21.0 | 1.22.0 |

Co-authored-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:1.21.0@sha256:27f9262d43452075f3c410287a2c43f5ef1bf7ec2bb06e8c9eeb1b8d453087bc
+# syntax=docker/dockerfile:1.22.0@sha256:4a43a54dd1fedceb30ba47e76cfcf2b47304f4161c0caeac2db1c61804ea3c91
 
 # renovate: datasource=github-releases depName=mathjax packageName=mathjax/MathJax
 ARG MATHJAX_VERSION=2.7.9

Original file line number	Diff line number	Diff line change
`@@ -1,4 +1,4 @@`
`1`		`-# syntax=docker/dockerfile:1.21.0@sha256:27f9262d43452075f3c410287a2c43f5ef1bf7ec2bb06e8c9eeb1b8d453087bc`
	`1`	`+# syntax=docker/dockerfile:1.22.0@sha256:4a43a54dd1fedceb30ba47e76cfcf2b47304f4161c0caeac2db1c61804ea3c91`
`2`	`2`
`3`	`3`	`# renovate: datasource=github-releases depName=mathjax packageName=mathjax/MathJax`
`4`	`4`	`ARG MATHJAX_VERSION=2.7.9`