Tidy up validate-modules:parameter-list-no-elements (batch 1) (#1795)

* fixed validation-modules for plugins/modules/storage/netapp/na_ontap_gather_facts.py

* fixed validation-modules for plugins/modules/source_control/gitlab/gitlab_runner.py

* fixed validation-modules for plugins/modules/packaging/os/redhat_subscription.py

* fixed validation-modules for plugins/modules/notification/twilio.py

* fixed validation-modules for plugins/modules/notification/slack.py

* fixed validation-modules for plugins/modules/notification/sendgrid.py

* fixed validation-modules for plugins/modules/notification/rocketchat.py

* fixed validation-modules for plugins/modules/notification/office_365_connector_card.py

* fixed validation-modules for plugins/modules/notification/nexmo.py

* fixed validation-modules for plugins/modules/notification/mail.py

* fixed validation-modules for plugins/modules/net_tools/omapi_host.py

* fixed validation-modules for plugins/modules/net_tools/nsupdate.py

* fixed validation-modules for plugins/modules/net_tools/dnsimple.py

* fixed validation-modules for plugins/modules/monitoring/pagerduty.py

* fixed validation-modules for plugins/modules/monitoring/librato_annotation.py

* fixed validation-modules for plugins/modules/identity/onepassword_info.py

* fixed validation-modules for plugins/modules/identity/keycloak/keycloak_client.py

* fixed validation-modules for plugins/modules/files/xml.py

* fixed validation-modules for plugins/modules/cloud/softlayer/sl_vm.py

* fixed validation-modules for plugins/modules/cloud/smartos/vmadm.py

* fixed validation-modules for plugins/modules/cloud/pubnub/pubnub_blocks.py

* fixed validation-modules for plugins/modules/cloud/packet/packet_device.py

* fixed validation-modules for plugins/modules/cloud/lxd/lxd_container.py

* fixed validation-modules for plugins/module_utils/oracle/oci_utils.py

* fixed validation-modules for plugins/doc_fragments/oracle_creatable_resource.py

* Tidy up validate-modules:parameter-list-no-elements for some modules

* fixed validation-modules for plugins/modules/monitoring/statusio_maintenance.py

* Fixed pending issues from CI validation

* Fixed xml module elements for add_children & set_children

* added changelog fragment

* typo

* fix wording in changelog frag

plugins/modules/notification/sendgrid.py

@@ -44,6 +44,7 @@ options:
     required: true
   to_addresses:
     type: list
+    elements: str
     description:
       - A list with one or more recipient email addresses.
     required: true
@@ -58,14 +59,17 @@ options:
       - Sendgrid API key to use instead of username/password.
   cc:
     type: list
+    elements: str
     description:
       - A list of email addresses to cc.
   bcc:
     type: list
+    elements: str
     description:
       - A list of email addresses to bcc.
   attachments:
     type: list
+    elements: path
     description:
       - A list of relative or explicit paths of files you want to attach (7MB limit as per SendGrid docs).
   from_name:
@@ -209,16 +213,16 @@ def main():
             username=dict(required=False),
             password=dict(required=False, no_log=True),
             api_key=dict(required=False, no_log=True),
-            bcc=dict(required=False, type='list'),
-            cc=dict(required=False, type='list'),
+            bcc=dict(required=False, type='list', elements='str'),
+            cc=dict(required=False, type='list', elements='str'),
             headers=dict(required=False, type='dict'),
             from_address=dict(required=True),
             from_name=dict(required=False),
-            to_addresses=dict(required=True, type='list'),
+            to_addresses=dict(required=True, type='list', elements='str'),
             subject=dict(required=True),
             body=dict(required=True),
             html_body=dict(required=False, default=False, type='bool'),
-            attachments=dict(required=False, type='list')
+            attachments=dict(required=False, type='list', elements='path')
         ),
         supports_check_mode=True,
         mutually_exclusive=[