test: add missing <algorithm> include for std::find

GCC 14 drops some transitive includes within libstdc++.

Explicitly include <algorithm> for std::find.

Signed-off-by: Sam James <sam@gentoo.org>
PR-URL: #48380
Reviewed-By: LiviaMedeiros <livia@cirno.name>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Matthew Aitken <maitken033380023@gmail.com>

test/embedding/embedtest.cc

@@ -2,6 +2,8 @@
 #include "uv.h"
 #include <assert.h>
 
+#include <algorithm>
+
 // Note: This file is being referred to from doc/api/embedding.md, and excerpts
 // from it are included in the documentation. Try to keep these in sync.