Update htmlproofer target URL

Author: henningkayser

htmlproofer.sh

@@ -24,8 +24,8 @@ grep -rl 'https:\/\/github.com\/ros-planning\/moveit2_tutorials\/blob\/main\/' .
  xargs sed -i "s|https://github.com/ros-planning/moveit2_tutorials/blob/main/|file://$PWD|g"
 
 # Replace internal links with local file paths
-grep -rl 'https:\/\/moveit.picknik.ai\/rolling\/' ./build/ | \
- xargs sed -i "s|https://moveit.picknik.ai/rolling/|file://$PWD|g"
+grep -rl 'https:\/\/moveit.picknik.ai\/humble\/' ./build/ | \
+ xargs sed -i "s|https://moveit.picknik.ai/humble/|file://$PWD|g"
 
 # Run HTML tests on generated build output to check for 404 errors, etc
 htmlproofer ./build \