tools: update v8.gyp

until bc0c25b4a0cd29d12bb5acb800b85dbb265580cb

Author: ryzokuken

tools/v8_gypfiles/v8.gyp

@@ -53,6 +53,7 @@
       "<(V8_ROOT)/src/builtins/object.tq",
       "<(V8_ROOT)/src/builtins/promise-abstract-operations.tq",
       "<(V8_ROOT)/src/builtins/promise-constructor.tq",
+      "<(V8_ROOT)/src/builtins/promise-finally.tq",
       "<(V8_ROOT)/src/builtins/promise-reaction-job.tq",
       "<(V8_ROOT)/src/builtins/promise-resolve.tq",
       "<(V8_ROOT)/src/builtins/promise-then.tq",