Fix CI and jenkins_plugin module (#202)

* Don't import text_type and binary_type from ansible.module_utils._text, but from ansible.module_utils.six.

* Add changelog fragment.

changelogs/fragments/202-jenkins_plugin-fix-import.yml

@@ -0,0 +1,2 @@
+bugfixes:
+- jenkins_plugin - make compatible to Ansible 2.10 by fixing import.

plugins/modules/web_infrastructure/jenkins_plugin.py

@@ -266,7 +266,8 @@ from ansible.module_utils.basic import AnsibleModule, to_bytes
 from ansible.module_utils.six.moves import http_cookiejar as cookiejar
 from ansible.module_utils.six.moves.urllib.parse import urlencode
 from ansible.module_utils.urls import fetch_url, url_argument_spec
-from ansible.module_utils._text import to_native, text_type, binary_type
+from ansible.module_utils.six import text_type, binary_type
+from ansible.module_utils._text import to_native
 import base64
 import hashlib
 import json