chore(deps): update davidanson/markdownlint-cli2 docker tag to v0.23.2

To my knowledge this is not being attended by anyone, contact@ is/was the preferred way for general questions and help. This is the only reference left of what I can find.

Reviewed-on: https://codeberg.org/Codeberg/Documentation/pulls/860
Reviewed-by: Robert Wolff <mahlzahn@posteo.de>

.woodpecker/lint.yaml

@@ -6,7 +6,7 @@ when:
 
 steps:
   lint-markdown:
-    image: davidanson/markdownlint-cli2:v0.23.1
+    image: davidanson/markdownlint-cli2:v0.23.2
     commands:
       - 'markdownlint-cli2 **/*.md'
     when:

content/contact.md

@@ -51,7 +51,7 @@ If you believe that users should get kind responses to their emails,
 [consider helping us out.](https://codeberg.org/Codeberg/Contributing/issues/28)!
 
 If you still need to contact us, please email
-[help@codeberg.org](mailto:help-PLEASE-REMOVE-THIS-FOR-SPAM-PROTECTION@codeberg.org).  
+[contact@codeberg.org](mailto:contact-PLEASE-REMOVE-THIS-FOR-SPAM-PROTECTION@codeberg.org).  
 **Response times will be very long. If you do not receive a reply,**
 double-check if your question can be found in the [FAQ](/getting-started/faq)
 or asked via the public channels above.