jiralogin: workaround python jira bug

Looks like its a bug in the jira python library.  An issue has been
created in Atlassian and in the python jira library.

Until its fixed upstream we add this workaround when authenticate in
JIRA.

Link: https://community.developer.atlassian.com/t/http-406-status-code-from-rest-api-3-resolution-search/75381/5
Link: pycontribs/jira#1774
Suggested-by: Julianus Larson <julianus.larson@linaro.org>
Signed-off-by: Anders Roxell <anders.roxell@linaro.org>

jipdate/jiralogin.py

@@ -110,7 +110,16 @@ def get_jira_instance(use_test_server):
                 "Accessing %s with %s using token based authentication"
                 % (url, username)
             )
-            j = JIRA(url, basic_auth=(username, token)), username
+            j = (
+                JIRA(
+                    url,
+                    basic_auth=(username, token),
+                    options={
+                        "headers": {"Accept": "application/json;1=1.0, */*;q=0.9"}
+                    },
+                ),
+                username,
+            )
         else:
             log.debug(
                 "Accessing %s with %s using password based authentication"