Avoids relying on Bash (#1700)
This script runs fine with just Dash (SH) instead of Bash. Alpine Linux and others don't have Bash.
diff --git a/scripts/format_binary_url.sh b/scripts/format_binary_url.sh
index dce7466..1f8d4b9 100755
--- a/scripts/format_binary_url.sh
+++ b/scripts/format_binary_url.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements. See the NOTICE file
# distributed with this work for additional information
