perf: only perform git pull after repo clone

Author: andhreljaKern

.github/workflows/pi_release.yml

@@ -64,7 +64,7 @@ jobs:
           git config user.name "GitHub Actions"
 
           git checkout -b "$HEAD_REF" || git checkout "$HEAD_REF"
-          git push origin "$HEAD_REF" && git pull origin "$HEAD_REF"
+          git pull origin "$HEAD_REF"
 
           git add ${{ env.DOCKERFILE }}
           git commit -m "$PR_TITLE" || true