Bump Arcade target version

UnsignedArduino · UnsignedArduino · commit d93987ba3d8b · 2022-07-19T12:20:54.000-04:00
diff --git a/pxt.json b/pxt.json
@@ -17,7 +17,7 @@
         "test.ts"
     ],
     "targetVersions": {
-        "target": "1.4.44",
+        "target": "1.8.29",
         "targetId": "arcade"
     },
     "supportedTargets": [
