cirrus: bump up cpu count

To speed up tests.

Signed-off-by: Paul Holzinger <[email protected]>

Author: Luap99

.cirrus.yml

@@ -64,7 +64,7 @@ timeout_in: 120m
 gce_instance:
     image_project: "${IMAGE_PROJECT}"
     zone: "us-central1-b"  # Required by Cirrus for the time being
-    cpu: 2
+    cpu: 4
     memory: "4Gb"
     disk: 200
     image_name: "${FEDORA_CACHE_IMAGE_NAME}"