[torque] Adding the missing algorithm header

Compilation fails on certain versions of gcc with
"'find_if' is not a member of 'std'"

Change-Id: Ifd0046e0838e5476515b646b35400d0973e80a01
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1980501Reviewed-by: Tobias Tebbi <tebbi@chromium.org>
Commit-Queue: Tobias Tebbi <tebbi@chromium.org>
Cr-Commit-Position: refs/heads/master@{#65578}

src/torque/ast.h

@@ -5,6 +5,7 @@
 #ifndef V8_TORQUE_AST_H_
 #define V8_TORQUE_AST_H_
 
+#include <algorithm>
 #include <iostream>
 #include <map>
 #include <memory>