refactor: migrate secret encryption to libsodium

Author: bubkoo

action.yml

@@ -35,7 +35,7 @@ outputs:
     description: The token of the GitHub App on the current repository.
 
 runs:
-  using: node20
+  using: node24
   main: dist/index.js
   post: dist/index.js
 

dist/action.d.ts

@@ -35,13 +35,14 @@
     "@octokit/auth-app": "^4.0.13",
     "@octokit/core": "^4.2.4",
     "is-base64": "^1.1.0",
-    "tweetsodium": "^0.0.6"
+    "libsodium-wrappers": "0.8.4"
   },
   "devDependencies": {
     "@bubkoo/commitlint-config": "^1.2.2",
     "@bubkoo/eslint-config": "^1.5.1",
     "@bubkoo/tsconfig": "^1.2.4",
     "@types/is-base64": "^1.1.3",
+    "@types/libsodium-wrappers": "^0.7.14",
     "@types/node": "^18.19.130",
     "@vercel/ncc": "^0.34.0",
     "eslint": "^8.57.1",