feat(icons): Add motorbike icon (#3371)

* Add `motorbike` and `dirtbike` icons

* Renamed `dirtbike` to `dirt-bike`

* Deleted `dirt-bike` in order to move it to a separate PR

* Update motorbike.svg

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

icons/motorbike.json

@@ -0,0 +1,22 @@
+{
+  "$schema": "../icon.schema.json",
+  "contributors": [
+    "jamiemlaw"
+  ],
+  "tags": [
+    "moto",
+    "motorcycle",
+    "transport",
+    "vehicle",
+    "drive",
+    "ride",
+    "trip",
+    "race",
+    "racing",
+    "journey",
+    "delivery"
+  ],
+  "categories": [
+    "transportation"
+  ]
+}

icons/motorbike.svg

@@ -0,0 +1,17 @@
+<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="m18 14-1-3" />
+  <path d="m3 9 6 2a2 2 0 0 1 2-2h2a2 2 0 0 1 1.99 1.81" />
+  <path d="M8 17h3a1 1 0 0 0 1-1 6 6 0 0 1 6-6 1 1 0 0 0 1-1v-.75A5 5 0 0 0 17 5" />
+  <circle cx="19" cy="17" r="3" />
+  <circle cx="5" cy="17" r="3" />
+</svg>