Update fixturenet-laconicd stack to use alnt denom (#902)

Part of [laconicd testnet validator enrollment](https://www.notion.so/laconicd-testnet-validator-enrollment-6fc1d3cafcc64fef8c5ed3affa27c675)

Reviewed-on: cerc-io/stack-orchestrator#902
Reviewed-by: ashwin <ashwin@noreply.git.vdb.to>
Reviewed-by: David Boreham <dboreham@noreply.git.vdb.to>
Co-authored-by: Prathamesh Musale <prathamesh.musale0@gmail.com>
Co-committed-by: Prathamesh Musale <prathamesh.musale0@gmail.com>

stack_orchestrator/data/config/mainnet-laconicd/registry-cli-config-template.yml

@@ -6,4 +6,4 @@ services:
     bondId:
     chainId: laconic_9000-1
     gas: 250000
-    fees: 200000photon
+    fees: 2000000alnt

stack_orchestrator/data/config/mainnet-laconicd/scripts/run-laconicd.sh

@@ -9,7 +9,7 @@ LOGLEVEL="info"
 laconicd start \
     --pruning=nothing \
     --log_level $LOGLEVEL \
-    --minimum-gas-prices=0.0001photon \
+    --minimum-gas-prices=1alnt \
     --api.enable \
     --gql-server \
     --gql-playground