MDEV-30419 Fix unhandled exception thrown from wsrep-lib

Updated wsrep-lib to version in which server_state
wait_until_state() and sst_received() were changed to report
errors via return codes instead of throwing exceptions. Added
error handling accordingly.

Tested manually that failure in sst_received() which was
caused by server misconfiguration (unknown configuration variable
in server configuration) does not cause crash due to uncaught
exception.

sql/wsrep_mysqld.cc

@@ -915,13 +915,19 @@ void wsrep_init_startup (bool sst_first)
     With mysqldump SST (!sst_first) wait until the server reaches
     joiner state and procedd to accepting connections.
   */
+  int err= 0;
   if (sst_first)
   {
-    server_state.wait_until_state(Wsrep_server_state::s_initializing);
+    err= server_state.wait_until_state(Wsrep_server_state::s_initializing);
   }
   else
   {
-    server_state.wait_until_state(Wsrep_server_state::s_joiner);
+    err= server_state.wait_until_state(Wsrep_server_state::s_joiner);
+  }
+  if (err)
+  {
+    WSREP_ERROR("Wsrep startup was interrupted");
+    unireg_abort(1);
   }
 }
 
@@ -1016,7 +1022,11 @@ void wsrep_stop_replication(THD *thd)
   {
     WSREP_DEBUG("Disconnect provider");
     Wsrep_server_state::instance().disconnect();
-    Wsrep_server_state::instance().wait_until_state(Wsrep_server_state::s_disconnected);
+    if (Wsrep_server_state::instance().wait_until_state(
+            Wsrep_server_state::s_disconnected))
+    {
+      WSREP_WARN("Wsrep interrupted while waiting for disconnected state");
+    }
   }
 
   /* my connection, should not terminate with wsrep_close_client_connection(),
@@ -1038,7 +1048,11 @@ void wsrep_shutdown_replication()
   {
     WSREP_DEBUG("Disconnect provider");
     Wsrep_server_state::instance().disconnect();
-    Wsrep_server_state::instance().wait_until_state(Wsrep_server_state::s_disconnected);
+    if (Wsrep_server_state::instance().wait_until_state(
+            Wsrep_server_state::s_disconnected))
+    {
+      WSREP_WARN("Wsrep interrupted while waiting for disconnected state");
+    }
   }
 
   wsrep_close_client_connections(TRUE);

sql/wsrep_sst.cc

@@ -336,9 +336,14 @@ static bool wsrep_sst_complete (THD*                thd,
   if ((state == Wsrep_server_state::s_joiner ||
        state == Wsrep_server_state::s_initialized))
   {
-    Wsrep_server_state::instance().sst_received(client_service,
-       rcode);
-    WSREP_INFO("SST succeeded for position %s", start_pos_buf);
+    if (Wsrep_server_state::instance().sst_received(client_service, rcode))
+    {
+      failed= true;
+    }
+    else
+    {
+      WSREP_INFO("SST succeeded for position %s", start_pos_buf);
+    }
   }
   else
   {