feat(icons): added chart-gantt icon (#2392)

* Added icons/chart-gantt.svg

* Added icons/chart-gantt.json

* Updated icons/chart-gantt.json

* Updated icons/chart-gantt.svg

icons/chart-gantt.json

@@ -0,0 +1,25 @@
+{
+  "$schema": "../icon.schema.json",
+  "contributors": [
+    "karsa-mistmere",
+    "danielbayley",
+    "jguddas"
+  ],
+  "tags": [
+    "diagram",
+    "graph",
+    "timeline",
+    "planning"
+  ],
+  "categories": [
+    "charts"
+  ],
+  "aliases": [
+    {
+      "name": "bar-chart-horizontal",
+      "deprecated": true,
+      "deprecationReason": "alias.name",
+      "toBeRemovedInVersion": "v1.0"
+    }
+  ]
+}

icons/chart-gantt.svg

@@ -0,0 +1,16 @@
+<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 6h8" />
+  <path d="M12 16h6" />
+  <path d="M3 3v16a2 2 0 0 0 2 2h16" />
+  <path d="M8 11h7" />
+</svg>