fix(bot): remove duplicate checkout

Author: mselim00

.github/actions/bot/action.yaml

@@ -3,7 +3,6 @@ description: "🤖 beep boop"
 runs:
   using: "composite"
   steps:
-    - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # 6.0.1
     - uses: actions/github-script@ed597411d8f924073f98dfc5c65a23a2325f34cd # 8.0.0
       with:
         script: |