Add Ansible task to fetch nitro node config file (#8)

Part of [Automate testnet nitro deployments using Ansible](https://www.notion.so/Automate-testnet-nitro-deployments-using-Ansible-0d15579430204b8daba9a8aa31e07568)
- Added ansible tasks to:
  - Install yq
  - Download nitro node config file
- Modified playbooks to handle prompts when cloning repositories

Co-authored-by: Adw8 <adwaitgharpure@gmail.com>
Reviewed-on: #8

nitro-contracts-setup/deploy-contracts.yml

@@ -13,11 +13,7 @@
       file:
         path: "{{ nitro_directory }}"
         state: directory
-      become: yes
 
-    - name: Clone go-nitro stack repo
-      command: laconic-so fetch-stack git.vdb.to/cerc-io/nitro-stack --git-ssh --pull
-      ignore_errors: yes
 
     - name: Change owner of nitro-directory
       file:
@@ -26,10 +22,21 @@
         group: "{{ansible_user}}"
         state: directory
         recurse: yes
-      become: yes
+
+    - name: Clone go-nitro stack repo
+      expect:
+        command: laconic-so fetch-stack git.vdb.to/cerc-io/nitro-stack --git-ssh --pull
+        responses:
+          "Are you sure you want to continue connecting \\(yes/no/\\[fingerprint\\]\\)\\?": "yes"
+      timeout: 300
+      ignore_errors: yes
 
     - name: Clone repositories required for nitro-stack
-      command: laconic-so --stack ~/cerc/nitro-stack/stack-orchestrator/stacks/bridge setup-repositories --git-ssh --pull
+      expect:
+        command: laconic-so --stack ~/cerc/nitro-stack/stack-orchestrator/stacks/bridge setup-repositories --git-ssh --pull
+        responses:
+          "Are you sure you want to continue connecting \\(yes/no/\\[fingerprint\\]\\)\\?": "yes"
+      timeout: 300
       ignore_errors: yes
 
     - name: Build containers
@@ -45,7 +52,6 @@
       stat:
         path: "{{ nitro_directory }}/nitro-contracts-deployment"
       register: nitro_contracts_deployment
-      become: yes
 
     - name: Create a deployment for nitro contracts
       command: laconic-so --stack ~/cerc/nitro-stack/stack-orchestrator/stacks/nitro-contracts deploy create --spec-file nitro-contracts-spec.yml --deployment-dir nitro-contracts-deployment