prci_definitions: add master_3client topology

Some tests would benefit from using a multi-client topology.
As PR-CI now supports master_3client, use it.

Fixes: https://pagure.io/freeipa/issue/8026
Signed-off-by: François Cami <fcami@redhat.com>
Reviewed-By: Armando Neto <abiagion@redhat.com>

ipatests/prci_definitions/nightly_f29.yaml

@@ -3,6 +3,10 @@ topologies:
     name: build
     cpu: 2
     memory: 3800
+  master_3client: &master_3client
+    name: master_3client
+    cpu: 5
+    memory: 10150
   master_1repl: &master_1repl
     name: master_1repl
     cpu: 4

ipatests/prci_definitions/nightly_master.yaml

@@ -3,6 +3,10 @@ topologies:
     name: build
     cpu: 2
     memory: 3800
+  master_3client: &master_3client
+    name: master_3client
+    cpu: 5
+    memory: 10150
   master_1repl: &master_1repl
     name: master_1repl
     cpu: 4

ipatests/prci_definitions/nightly_rawhide.yaml

@@ -3,6 +3,10 @@ topologies:
     name: build
     cpu: 2
     memory: 3800
+  master_3client: &master_3client
+    name: master_3client
+    cpu: 5
+    memory: 10150
   master_1repl: &master_1repl
     name: master_1repl
     cpu: 4

ipatests/prci_definitions/temp_commit.yaml

@@ -9,6 +9,10 @@ topologies:
     name: build
     cpu: 2
     memory: 3800
+  master_3client: &master_3client
+    name: master_3client
+    cpu: 5
+    memory: 10150
   master_1repl: &master_1repl
     name: master_1repl
     cpu: 4