patch 9.0.0226: job_start() test may fail under valgrind

Problem:    job_start() test may fail under valgrind.
Solution:   Wait until the job is running.
diff --git a/src/testdir/test_vim9_builtin.vim b/src/testdir/test_vim9_builtin.vim
index 55ede98..7aa81bc 100644
--- a/src/testdir/test_vim9_builtin.vim
+++ b/src/testdir/test_vim9_builtin.vim
@@ -528,6 +528,7 @@
     v9.CheckDefAndScriptFailure(['ch_getbufnr(test_null_channel(), 1)'], ['E1013: Argument 2: type mismatch, expected string but got number', 'E1174: String required for argument 2'])
     # test empty string argument for ch_getbufnr()
     var job: job = job_start(&shell)
+    g:WaitForAssert(() => assert_equal('run', job_status(job)))
     job->ch_getbufnr('')->assert_equal(-1)
     job_stop(job)
   endif
diff --git a/src/version.c b/src/version.c
index b2fc962..bbe7a2e 100644
--- a/src/version.c
+++ b/src/version.c
@@ -732,6 +732,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    226,
+/**/
     225,
 /**/
     224,