gating.yaml: Fix TestInstallMaster timeout

test_integration/test_installation.py::TestInstallMaster 's
timeout is 10800 on all nightlies but it timeouts in gating with a
timeout of 3600. Use 7200 in gating so that it has some chance of
completing.

Signed-off-by: François Cami <fcami@redhat.com>
Reviewed-By: Michal Polovka <mpolovka@redhat.com>
Reviewed-By: Stanislav Levin <slev@altlinux.org>
Reviewed-By: Michal Polovka <mpolovka@redhat.com>
Reviewed-By: Stanislav Levin <slev@altlinux.org>

ipatests/prci_definitions/gating.yaml

@@ -44,7 +44,7 @@ jobs:
         build_url: '{fedora-latest-ipa-4-9/build_url}'
         test_suite: test_integration/test_installation.py::TestInstallMaster
         template: *ci-ipa-4-9-latest
-        timeout: 3600
+        timeout: 7200
         topology: *master_1repl
 
   fedora-latest-ipa-4-9/simple_replication: