fix: smaller ci instance

Makefile

@@ -478,6 +478,7 @@ pytest_nb:
 		-n0 \
 		--randomly-dont-reorganize \
 		--count=$(COUNT) \
+		--durations=0 \
 		--randomly-dont-reset-seed -Wignore --nbmake; \
 	else \
 		echo "No notebook found"; \

ci/slab.toml

@@ -10,7 +10,7 @@ security_group= ["sg-0bf1c1d79c97bc88f", ]
 [backend.aws.weekly_ciprofile]
 region = "eu-west-3"
 image_id = "ami-0be33931bc16f7a85"
-instance_type = "c6i.32xlarge"
+instance_type = "c6i.24xlarge"
 subnet_id = "subnet-a029b7ed"
 security_group= ["sg-0bf1c1d79c97bc88f", ]