update Gradle to 7.5.1 (#2640)

* update Gradle to 7.5

* update gradle to 7.5.1

gradlew

@@ -1,7 +1,7 @@
 #!/bin/sh
 
 #
-# Copyright ? 2015-2021 the original authors.
+# Copyright © 2015-2021 the original authors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
@@ -32,10 +32,10 @@
 #       Busybox and similar reduced shells will NOT work, because this script
 #       requires all of these POSIX shell features:
 #         * functions;
-#         * expansions ?$var?, ?${var}?, ?${var:-default}?, ?${var+SET}?,
-#           ?${var#prefix}?, ?${var%suffix}?, and ?$( cmd )?;
-#         * compound commands having a testable exit status, especially ?case?;
-#         * various built-in commands including ?command?, ?set?, and ?ulimit?.
+#         * expansions «$var», «${var}», «${var:-default}», «${var+SET}»,
+#           «${var#prefix}», «${var%suffix}», and «$( cmd )»;
+#         * compound commands having a testable exit status, especially «case»;
+#         * various built-in commands including «command», «set», and «ulimit».
 #
 #   Important for patching:
 #
@@ -205,6 +205,12 @@ set -- \
         org.gradle.wrapper.GradleWrapperMain \
         "$@"
 
+# Stop when "xargs" is not available.
+if ! command -v xargs >/dev/null 2>&1
+then
+    die "xargs is not available"
+fi
+
 # Use "xargs" to parse quoted args.
 #
 # With -n1 it outputs one arg per line, with the quotes and backslashes removed.