ec2_vol/test: gives more time to convert vol to gp3 (#739)

ec2_vol/test: gives more time to convert vol to gp3

We give 9s to convert the volumne to gp3, in some cases this is not
enough.
Closes: #738

Reviewed-by: Alina Buzachis <None>
(cherry picked from commit df865b4)

tests/integration/targets/ec2_vol/tasks/main.yml

@@ -512,7 +512,7 @@
         volume_type: gp3
         modify_volume: yes
       register: changed_gp3_volume
-      retries: 3
+      retries: 10
       delay: 3
       until: not changed_gp3_volume.failed
       # retry because ebs change is to slow