Merging upstream version 5.3.5+dfsg.

Signed-off-by: Daniel Baumann <daniel@debian.org>

.github/CONTRIBUTING.md

@@ -221,7 +221,7 @@ includes code changes) and under the terms of the
 
 [Adhere to the Code Guide.](https://codeguide.co/#css)
 
-- When feasible, default color palettes should comply with [WCAG color contrast guidelines](https://www.w3.org/TR/WCAG20/#visual-audio-contrast).
+- When feasible, default color palettes should comply with [WCAG color contrast guidelines](https://www.w3.org/TR/WCAG/#distinguishable).
 - Except in rare cases, don't remove default `:focus` styles (via e.g. `outline: none;`) without providing alternative styles. See [this A11Y Project post](https://www.a11yproject.com/posts/2013-01-25-never-remove-css-outlines/) for more details.
 
 ### JS

.github/dependabot.yml

@@ -21,3 +21,8 @@ updates:
       timezone: Europe/Athens
     versioning-strategy: increase
     rebase-strategy: disabled
+    groups:
+      production-dependencies:
+        dependency-type: "production"
+      development-dependencies:
+        dependency-type: "development"

.github/workflows/cspell.yml

@@ -28,7 +28,7 @@ jobs:
           persist-credentials: false
 
       - name: Run cspell
-        uses: streetsidesoftware/cspell-action@v5
+        uses: streetsidesoftware/cspell-action@v6
         with:
           config: ".cspell.json"
           files: "**/*.md"