Update truthy values to true/false only, #204 (#387)

Co-authored-by: Techno Tim <timothystewart6@gmail.com>

roles/prereq/tasks/main.yml

@@ -14,7 +14,7 @@
     name: net.ipv4.ip_forward
     value: "1"
     state: present
-    reload: yes
+    reload: true
   tags: sysctl
 
 - name: Enable IPv6 forwarding
@@ -22,7 +22,7 @@
     name: net.ipv6.conf.all.forwarding
     value: "1"
     state: present
-    reload: yes
+    reload: true
   tags: sysctl
 
 - name: Enable IPv6 router advertisements
@@ -30,7 +30,7 @@
     name: net.ipv6.conf.all.accept_ra
     value: "2"
     state: present
-    reload: yes
+    reload: true
   tags: sysctl
 
 - name: Add br_netfilter to /etc/modules-load.d/
@@ -51,7 +51,7 @@
     name: "{{ item }}"
     value: "1"
     state: present
-    reload: yes
+    reload: true
   when: ansible_os_family == "RedHat"
   loop:
     - net.bridge.bridge-nf-call-iptables