Support latest PXT with GC (#1798)

* Enable gc and basic compilation fixes

* Add missing GC stuff

* Set microbit-dal version

* Disable jacdac in servo

* UTF fixes

* TS build fixes

* Auto-generated files update

* We only seem to have that much

* Fix for new new compiler

* Account for uninitialized scheduler

* Intialize memory allocator

* bump references

* updated package

* Set image tag, requires https://github.com/Microsoft/pxt/pull/5262

* updated project summaries

* Fixing block tests

package.json

@@ -42,7 +42,7 @@
     "@types/web-bluetooth": "0.0.4"
   },
   "dependencies": {
-    "pxt-common-packages": "0.25.10",
-    "pxt-core": "4.4.10"
+    "pxt-common-packages": "6.3.3",
+    "pxt-core": "5.5.13"
   }
 }