fix(koji-http-toggle): resolve proxy IPs via shell so awk pipe works

Signed-off-by: Samyak Jain <samyak.jn11@gmail.com>

playbooks/manual/releng/koji-http-toggle.yml

@@ -30,8 +30,8 @@
 
   tasks:
     - name: Resolve proxy IPs
-      ansible.builtin.command:
-        cmd: "getent ahostsv4 {{ item }} | awk '{print $1; exit}'"
+      ansible.builtin.shell:
+        cmd: set -o pipefail && getent ahostsv4 {{ item }} | awk '{print $1; exit}'
       register: proxy_resolution
       loop: "{{ proxy_hostnames }}"
       changed_when: false
@@ -39,7 +39,7 @@
 
     - name: Set proxy IP list
       ansible.builtin.set_fact:
-        proxy_ips: "{{ proxy_resolution.results | map(attribute='stdout') | list }}"
+        proxy_ips: "{{ proxy_resolution.results | map(attribute='stdout') | map('trim') | list }}"
 
     - name: Block Koji HTTP from proxies
       when: koji_action == 'block'