fix: workflow fixes and vanitygen rebrand

Workflows:
- lock.yml: GH_PAT_BOT → github.token
- chain-endpoints.yml: repo name polkadot-js/apps → pezkuwichain/pezkuwi-apps
- test-nightly.yml: add 120min timeout
- auto-approve.yml: update token and authors
- auto-merge.yml: update token

Dependencies:
- @polkadot/vanitygen → @pezkuwi/vanitygen

packages/page-accounts/package.json

@@ -21,7 +21,7 @@
     "@pezkuwi/react-components": "^1.0.2-1-x",
     "@pezkuwi/react-hooks": "^1.0.2-1-x",
     "@pezkuwi/util": "^14.0.11",
-    "@polkadot/vanitygen": "^0.63.18",
+    "@pezkuwi/vanitygen": "^1.0.1",
     "detect-browser": "^5.3.0",
     "file-saver": "^2.0.5"
   },