chore: Fix how to send comments to github

Added necessary permissions to the GitHub Actions workflow to allow
writing comments on issues and pull requests. This enables automated
feedback and notifications, improving workflow efficiency and
communication.

.github/workflows/find-smallest-rust.yml

@@ -11,6 +11,11 @@ on:
       - starknet/compiler/rust/*
   workflow_dispatch:
 
+
+permissions:
+  issues: write # Required for sending comments
+  pull-requests: write # Required for sending comments
+
 concurrency:
   group: ${{ github.workflow }}-${{ github.ref }}
   cancel-in-progress: true