Update homepage_url in .shed.yml

Author: kostrykin

tools/ridge_filter/.shed.yml

@@ -4,5 +4,5 @@ description: Ridge filter for images
 long_description: Apply a ridge filter to an image
 name: ridge_filter
 owner: imgteam
-homepage_url: https://github.com/bmcv
+homepage_url: https://scikit-image.org/docs/0.25.x/auto_examples/edges/plot_ridge_filter.html
 remote_repository_url: https://github.com/BMCV/galaxy-image-analysis/tree/master/tools/ridge_filter/