fix: revert Node.js version to 22.13.1 in Dockerfile

Author: arnabrahman

docs/Dockerfile

@@ -2,7 +2,7 @@
 FROM squidfunk/mkdocs-material@sha256:bb7b015690d9fb5ef0dbc98ca3520f153aa43129fb96aec5ca54c9154dc3b729
 
 # Install Node.js
-RUN apk add --no-cache nodejs=22.15.1-r0 npm
+RUN apk add --no-cache nodejs=22.13.1-r0 npm
 
 COPY requirements.txt /tmp/
 RUN pip install --require-hashes -r /tmp/requirements.txt