语法错误修复

.github/workflows/release.yml

@@ -31,7 +31,7 @@ jobs:
           zerotier_latest_version=$(wget --no-check-certificate -qO- "https://api.github.com/repos/zerotier/ZeroTierOne/releases" | grep "tag_name" | grep -oE "[0-9.]*" | head -1)
           zerotier_version=$(cat zerotier_version)
           echo "${zerotier_version}=${zerotier_latest_version}"
-          if [ "$zerotier_latest_version" = "$zerotier_version" -a "${{github.event_name }}" = "schedule"]; then
+          if [ "$zerotier_latest_version" = "$zerotier_version" -a "${{github.event_name }}" = "schedule" ]; then
             exit 0
           fi
           echo ${zerotier_latest_version}>zerotier_version