deps: update googletest to 2d16ed0

PR-URL: #51657
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Marco Ippolito <marcoippolito54@gmail.com>
Reviewed-By: Moshe Atlow <moshe@atlow.co.il>
Reviewed-By: Rafael Gonzaga <rafael.nunu@hotmail.com>
Reviewed-By: Ulises Gascón <ulisesgascongonzalez@gmail.com>
Reviewed-By: Michael Dawson <midawson@redhat.com>
Reviewed-By: James M Snell <jasnell@gmail.com>

deps/googletest/include/gtest/internal/gtest-port.h

@@ -607,7 +607,8 @@ typedef struct _RTL_CRITICAL_SECTION GTEST_CRITICAL_SECTION;
      defined(GTEST_OS_NETBSD) || defined(GTEST_OS_FUCHSIA) ||         \
      defined(GTEST_OS_DRAGONFLY) || defined(GTEST_OS_GNU_KFREEBSD) || \
      defined(GTEST_OS_OPENBSD) || defined(GTEST_OS_HAIKU) ||          \
-     defined(GTEST_OS_GNU_HURD))
+     defined(GTEST_OS_GNU_HURD) || defined(GTEST_OS_SOLARIS) ||       \
+     defined(GTEST_OS_AIX) || defined(GTEST_OS_ZOS))
 #define GTEST_HAS_PTHREAD 1
 #else
 #define GTEST_HAS_PTHREAD 0