feat(icons): add upvote-rss (#985)

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

tree.json

@@ -1951,6 +1951,7 @@
         "ups.png",
         "upsnap.png",
         "uptime-kuma.png",
+        "upvote-rss.png",
         "urbackup-server.png",
         "urbackup.png",
         "valetudo.png",
@@ -3704,6 +3705,7 @@
         "ups.svg",
         "upsnap.svg",
         "uptime-kuma.svg",
+        "upvote-rss.svg",
         "valetudo.svg",
         "valkey.svg",
         "vault-light.svg",
@@ -5801,6 +5803,7 @@
         "ups.webp",
         "upsnap.webp",
         "uptime-kuma.webp",
+        "upvote-rss.webp",
         "urbackup-server.webp",
         "urbackup.webp",
         "valetudo.webp",