Enhancement in pnpm-lockfile

### Description

-  Get rid of node-version: 20  ,use .node-version instead
-  Define token permission on top level 
-  Use commit has in the actions

### Steps to reproduce

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### Screenshots

_No response_

### Code Sample

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### Setup

- Mermaid version:
- Browser and Version: [Chrome, Edge, Firefox]

### Suggested Solutions

_No response_

### Additional Context

_No response_