PMM-7: Change pmm client setup

Author: peterSirotnak

.github/workflows/PMM_PSMDB_PBM_FULL.yml

@@ -42,7 +42,7 @@ jobs:
 
   test_sharded_cluster:
     runs-on: ubuntu-22.04
-    timeout-minutes: 20
+    timeout-minutes: 40
     strategy:
       fail-fast: false
       matrix: