Update VS Code engine version to ^1.109.0

Signed-off-by: 梦里不知身是客 <liang.tang.cx@gmail.com>

Author: unknowIfGuestInDream

package.json

@@ -14,7 +14,7 @@
   },
   "homepage": "https://github.com/tlcsdm/vscode-iconpreview#readme",
   "engines": {
-    "vscode": "^1.108.0"
+    "vscode": "^1.109.0"
   },
   "categories": [
     "Other",