Potential fix for https://github.com/PyrogramMod/PyrogramMod/security/code-scanning/7

To fix the problem, add a permissions block to the workflow file .github/workflows/python.yml. The most general and minimal way to do this is to specify the permissions key at the top-level (just below the workflow name, typically), or at the job level if customized per job is desired. Since the workflow does not show any steps that require write permission (e.g., it doesn't push code, create releases, or modify pull requests), it's safe to set contents: read, which is the recommended minimal permission for workflows that only need to read repository contents. Insert permissions: contents: read immediately after the name field (before on:) or above jobs:.

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