zombienet: use another collator image for the slashing test (#1386)

* zombienet: use test-parachain image for the slashing test

* use the right image

* try polkadot-parachain image

* try naming collator alice 🙈

* add needed job for the pipeline

* fix user id in polkadot-parachain-debug image

* small tweaks to the test

* another small tweak

* yet another small tweak

* bump zombienet version

---------

Co-authored-by: Javier Viola <javier@parity.io>

polkadot/zombienet_tests/functional/0005-parachains-disputes-past-session.toml

@@ -5,7 +5,7 @@ bootnode = true
 [relaychain.genesis.runtime.configuration.config]
   max_validators_per_core = 1
   needed_approvals = 2
-  group_rotation_frequency = 3
+  group_rotation_frequency = 2
 
 [relaychain]
 default_image = "{{ZOMBIENET_INTEGRATION_TEST_IMAGE}}"
@@ -39,8 +39,7 @@ id = 1000
 cumulus_based = true
 
   [parachains.collator]
-  name = "collator"
+  name = "alice"
   command = "polkadot-parachain"
-  image = "docker.io/parity/polkadot-parachain:latest"
-  # image = "{{COL_IMAGE}}"
+  image = "{{CUMULUS_IMAGE}}"
   args = ["-lparachain=debug"]