patch 8.2.0043: timers test is still flaky on Travis for Mac

Problem:    Timers test is still flaky on Travis for Mac.
Solution:   Increase maximum expected time.
diff --git a/src/testdir/test_timers.vim b/src/testdir/test_timers.vim
index a5df4b1..78676d2 100644
--- a/src/testdir/test_timers.vim
+++ b/src/testdir/test_timers.vim
@@ -20,8 +20,8 @@
   let slept = WaitFor('g:val == 1')
   call assert_equal(1, g:val)
   if has('mac')
-    " Mac on Travis can be slow.
-    let limit = 160
+    " Mac on Travis can be very slow.
+    let limit = 180
   else
     let limit = 100
   endif
diff --git a/src/version.c b/src/version.c
index d4760eb..044fe08 100644
--- a/src/version.c
+++ b/src/version.c
@@ -743,6 +743,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    43,
+/**/
     42,
 /**/
     41,