chore(deps): update dependency mathjax to v4 (main) (#11)

* chore(deps): update dependency mathjax to v4

| datasource      | package         | from  | to    |
| --------------- | --------------- | ----- | ----- |
| github-releases | mathjax/MathJax | 2.7.9 | 4.0.0 |

* test: fix test

---------

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>
Co-authored-by: Michael Kriese <michael.kriese@visualon.de>

Author: renovate[bot]

Dockerfile

@@ -1,7 +1,7 @@
 # syntax=docker/dockerfile:1.20.0@sha256:26147acbda4f14c5add9946e2fd2ed543fc402884fd75146bd342a7f6271dc1d
 
 # renovate: datasource=github-releases depName=mathjax packageName=mathjax/MathJax
-ARG MATHJAX_VERSION=2.7.9
+ARG MATHJAX_VERSION=4.0.0
 
 FROM ghcr.io/visualon/nginx:1.28.0@sha256:9a35d53a8f3cac5a3ee13663623bffead49e359f2e97b455d9d66af94361386f
 

docker-compose.test.yml

@@ -1,6 +1,6 @@
 services:
   sut:
     image: "${IMAGE-ghcr.io/visualon/mathjax}"
-    command: sh -c 'set -ex; test -f /app/MathJax.js; (nginx&); sleep 3; curl -sv http://localhost:8080/MathJax.js'
+    command: sh -c 'set -ex; test -f /app/tex-chtml.js; (nginx&); sleep 3; curl -sv http://localhost:8080/tex-chtml.js'