feat(icons): add pluralsight (#1115)

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

tree.json

@@ -1505,6 +1505,7 @@
         "plexrequests.png",
         "plexripper.png",
         "plume.png",
+        "pluralsight.png",
         "pocket-casts-dark.png",
         "pocket-casts.png",
         "pocket-id-light.png",
@@ -3420,6 +3421,7 @@
         "plexrequests-light.svg",
         "plexrequests.svg",
         "plume.svg",
+        "pluralsight.svg",
         "pocket-casts-dark.svg",
         "pocket-casts.svg",
         "pocket-id-light.svg",
@@ -5446,6 +5448,7 @@
         "plexrequests.webp",
         "plexripper.webp",
         "plume.webp",
+        "pluralsight.webp",
         "pocket-casts-dark.webp",
         "pocket-casts.webp",
         "pocket-id-light.webp",