meson: extend timeout for test-time-util

The test forks so many child processes, and may hit the default time
limit on slow environment or running with sanitizers.

src/test/meson.build

@@ -156,7 +156,6 @@ simple_tests += files(
         'test-strxcpyx.c',
         'test-sysctl-util.c',
         'test-terminal-util.c',
-        'test-time-util.c',
         'test-tmpfile-util.c',
         'test-tmpfiles.c',
         'test-tpm2.c',
@@ -501,6 +500,10 @@ tests += [
                         udev_includes,
                 ],
         },
+        {
+                'sources' : files('test-time-util.c'),
+                'timeout' : 120,
+        },
         {
                 'sources' : files('test-udev.c'),
                 'link_with' : [