chore: Update Blockly dependency to 12.3.0.

Author: gonfunko

package-lock.json

@@ -59,7 +59,7 @@
     "@types/p5": "^1.7.6",
     "@typescript-eslint/eslint-plugin": "^6.7.2",
     "@typescript-eslint/parser": "^6.7.2",
-    "blockly": "^12.2.0",
+    "blockly": "^12.3.0",
     "chai": "^5.2.0",
     "eslint": "^8.49.0",
     "eslint-config-google": "^0.14.0",