chore: bump version to v0.5.0 (#525)

Author: i582

package.json

@@ -8,7 +8,7 @@
         "Tact",
         "Smart contract"
     ],
-    "version": "0.4.1",
+    "version": "0.5.0",
     "engines": {
         "vscode": "^1.63.0"
     },