feat(icons): Add columns-3-cog icon (#2763)

* add columns-cog icon and metadata

* chore: rename columns-cog to columns-3-cog as per maintainer request

* added contributors from the icon this is based on

* Remove not existing category

---------

Co-authored-by: Eric Fennis <eric.fennis@gmail.com>

icons/columns-3-cog.json

@@ -0,0 +1,27 @@
+{
+  "$schema": "../icon.schema.json",
+  "contributors": [
+    "irvineacosta",
+    "danielbayley",
+    "karsa-mistmere"
+  ],
+  "tags": [
+    "columns",
+    "settings",
+    "customize",
+    "table",
+    "grid",
+    "adjust",
+    "configuration",
+    "panel",
+    "layout"
+  ],
+  "categories": [
+    "layout",
+    "design"
+  ],
+  "aliases": [
+    "columns-settings",
+    "table-config"
+  ]
+}

icons/columns-3-cog.svg

@@ -0,0 +1,24 @@
+<svg
+  xmlns="http://www.w3.org/2000/svg"
+  width="24"
+  height="24"
+  viewBox="0 0 24 24"
+  fill="none"
+  stroke="currentColor"
+  stroke-width="2"
+  stroke-linecap="round"
+  stroke-linejoin="round"
+>
+  <path d="M10.5 21H5a2 2 0 0 1-2-2V5a2 2 0 0 1 2-2h14a2 2 0 0 1 2 2v5.5" />
+  <path d="m14.3 19.6 1-.4" />
+  <path d="M15 3v7.5" />
+  <path d="m15.2 16.9-.9-.3" />
+  <path d="m16.6 21.7.3-.9" />
+  <path d="m16.8 15.3-.4-1" />
+  <path d="m19.1 15.2.3-.9" />
+  <path d="m19.6 21.7-.4-1" />
+  <path d="m20.7 16.8 1-.4" />
+  <path d="m21.7 19.4-.9-.3" />
+  <path d="M9 3v18" />
+  <circle cx="18" cy="18" r="3" />
+</svg>