Adjust booleans in monitoring modules. (#5156) (#5170)

(cherry picked from commit 1b480e9f37)

Co-authored-by: Felix Fontein <felix@fontein.de>

plugins/modules/monitoring/bigpanda.py

@@ -68,10 +68,10 @@ options:
     default: https://api.bigpanda.io
   validate_certs:
     description:
-      - If C(no), SSL certificates for the target url will not be validated. This should only be used
+      - If C(false), SSL certificates for the target url will not be validated. This should only be used
         on personally controlled sites using self-signed certificates.
     required: false
-    default: 'yes'
+    default: true
     type: bool
   deployment_message:
     type: str