fix(icons): changed square-code icon (#3173)

* Updated icons/square-code.svg

* Updated icons/square-code.json

icons/square-code.json

@@ -1,7 +1,10 @@
 {
   "$schema": "../icon.schema.json",
   "contributors": [
-    "danielbayley"
+    "danielbayley",
+    "jguddas",
+    "karsa-mistmere",
+    "ericfennis"
   ],
   "tags": [
     "gist",

icons/square-code.svg

@@ -9,7 +9,7 @@
   stroke-linecap="round"
   stroke-linejoin="round"
 >
-  <path d="M10 9.5 8 12l2 2.5" />
-  <path d="m14 9.5 2 2.5-2 2.5" />
-  <rect width="18" height="18" x="3" y="3" rx="2" />
+  <path d="m10 9-3 3 3 3" />
+  <path d="m14 15 3-3-3-3" />
+  <rect x="3" y="3" width="18" height="18" rx="2" />
 </svg>