fix: restore stage for wal-g tasks to stage 2

Author: samrose

ansible/tasks/setup-wal-g.yml

@@ -58,6 +58,7 @@
     owner: wal-g
     group: wal-g
     mode: '0664'
+  when: stage2_nix
 
 - name: Move custom wal-g.conf file to /etc/postgresql-custom/wal-g.conf
   template:
@@ -66,6 +67,7 @@
     mode: 0664
     owner: postgres
     group: postgres
+  when: stage2_nix
 
 - name: Add script to be run for restore_command
   template:
@@ -74,13 +76,15 @@
     mode: 0500
     owner: postgres
     group: postgres
+  when: stage2_nix
 
 - name: Add helper script for wal_fetch.sh
   template:
     src: "files/walg_helper_scripts/wal_change_ownership.sh"
     dest: /root/wal_change_ownership.sh
     mode: 0700
     owner: root
+  when: stage2_nix
 
 - name: Include /etc/postgresql-custom/wal-g.conf in postgresql.conf
   become: yes