[stable-2.8] Fix RESTCONF media types (#58015)

Fixes #56680
(cherry picked from commit f656959)

Co-authored-by: Nathaniel Case <ncase@redhat.com>

changelogs/fragments/58015-yang-types.yaml

@@ -0,0 +1,2 @@
+bugfixes:
+- Fix media type of RESTCONF requests.

lib/ansible/module_utils/network/restconf/restconf.py

@@ -39,7 +39,7 @@ def get(module, path=None, content=None, fields=None, output='json'):
 
     accept = None
     if output == 'xml':
-        accept = 'application/yang.data+xml'
+        accept = 'application/yang-data+xml'
 
     connection = Connection(module._socket_path)
     return connection.send_request(None, path=path, method='GET', accept=accept)
@@ -51,7 +51,7 @@ def edit_config(module, path=None, content=None, method='GET', format='json'):
 
     content_type = None
     if format == 'xml':
-        content_type = 'application/yang.data+xml'
+        content_type = 'application/yang-data+xml'
 
     connection = Connection(module._socket_path)
     return connection.send_request(content, path=path, method=method, content_type=content_type)

lib/ansible/plugins/httpapi/restconf.py

@@ -48,7 +48,7 @@ from ansible.module_utils.six.moves.urllib.error import HTTPError
 from ansible.plugins.httpapi import HttpApiBase
 
 
-CONTENT_TYPE = 'application/yang.data+json'
+CONTENT_TYPE = 'application/yang-data+json'
 
 
 class HttpApi(HttpApiBase):