Update gemini-pr-review.yml

Author: richabanker

.github/workflows/gemini-pr-review.yml

@@ -28,4 +28,4 @@ jobs:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
           PR_NUMBER: ${{ github.event.pull_request.number }}
           GITHUB_REPOSITORY: ${{ github.repository }}
-        run: python./hack/gemini_review.py
+        run: python ./hack/gemini_review.py