Switch from Force Tags to Test Tags

Force Tags is deprecated in Robot 7.0 and will eventually
warn and then after that stop working. Test Tags performs
the same function per docs.

Change-Id: I7cf305754b247b995a05d8da3b9de9ed613ecae2
Signed-off-by: Matt Fischer <matthew.fischer@hpe.com>
diff --git a/extended/code_update/bmc_code_update.robot b/extended/code_update/bmc_code_update.robot
index dbd3ef8..b096fd2 100644
--- a/extended/code_update/bmc_code_update.robot
+++ b/extended/code_update/bmc_code_update.robot
@@ -22,7 +22,7 @@
 # Force the test to timedout to prevent test hanging.
 Test Timeout      30 minutes
 
-Force Tags        BMC_Code_Update
+Test Tags        BMC_Code_Update
 
 *** Variables ***