Remove redundant empty lines in commit msg

Signed-off-by: Yikun Jiang <yikunkero@gmail.com>

Author: Yikun

.github/format_pr_body.sh

@@ -41,9 +41,11 @@ sed -i '/- vLLM .*$/d' "${NEW}"
     echo ""
     echo "- vLLM version: $VLLM_VERSION"
     echo "- vLLM main: $VLLM_COMMIT"
-    echo ""
 } >> "${NEW}"
 
+# Remove redundant empty lines
+uniq "${NEW}" | tee "${NEW}"
+
 # Run this only if ${NEW} is different than ${OLD}
 if ! cmp -s "${OLD}" "${NEW}"; then
     echo

.github/workflows/format_pr_body.yaml

@@ -22,7 +22,7 @@ on:
   pull_request_target:
     types: [opened, synchronize]
     branches:
-      - 'main'
+      - 'main-fake'
 
 permissions:
   pull-requests: write