feat(icons): add western-digital (#1154)

Co-authored-by: Dashboard Icons Manager <193821040+dashboard-icons-manager[bot]@users.noreply.github.com>

tree.json

@@ -2091,6 +2091,7 @@
         "webtorrent.png",
         "webtrees.png",
         "wekan.png",
+        "western-digital.png",
         "wetty.png",
         "wg-gen-web-light.png",
         "wg-gen-web.png",
@@ -3882,6 +3883,7 @@
         "webtorrent.svg",
         "webtrees.svg",
         "wekan.svg",
+        "western-digital.svg",
         "wger.svg",
         "whats-up-docker-light.svg",
         "whats-up-docker.svg",
@@ -6062,6 +6064,7 @@
         "webtorrent.webp",
         "webtrees.webp",
         "wekan.webp",
+        "western-digital.webp",
         "wetty.webp",
         "wg-gen-web-light.webp",
         "wg-gen-web.webp",