Update dependency @assemblyscript/loader to v0.25.2

Author: renovate[bot]

package.json

@@ -23,7 +23,7 @@
     "core-js": "^3"
   },
   "dependencies": {
-    "@assemblyscript/loader": "0.21.1",
+    "@assemblyscript/loader": "0.25.2",
     "@octokit/core": "4.0.5",
     "@octokit/rest": "19.0.4",
     "acme-client": "^5.0.0",