Try using 4 clusters instead of 2 in systests
Trying to check what happens when we try to use 4 clusters for systests instead of 2.  Should result in faster CI.
@@ -326,7 +326,7 @@ jobs:
size: 50
bootstrap: 10m
level: info
- clusters: 2
+ clusters: 4
run: make -C systest run test_name=.
- name: Run tests II
@@ -339,7 +339,7 @@ jobs:
size: 30
bootstrap: 10m
level: info
- clusters: 2
+ clusters: 4
run: make -C systest run test_name=.
- name: Delete pod
