Prep for v0.5.11 release (#341)

* Prep for v0.5.11 release

* Add list of contributors

Author: JamesGibo

CHANGELOG.rst

@@ -2,19 +2,14 @@
 Changelog
 =========
 
-0.x.x (TBD)
+0.5.1 (2021-04-06)
 ===========
 
 * Added timeField field for the Elasticsearch target to allow the alert to change its state
 * Added nameFilter field for the AlertList panel
 * Added dashboardTags field for the AlertList panel
 
-
-Changes
--------
-
-* ...
-
+Thanks a lot for your contributions to this release, @dafna-starkware
 
 0.5.10 (2021-03-21)
 ==================

setup.py

@@ -15,7 +15,7 @@ def local_file(name):
     # Versions should comply with PEP440.  For a discussion on single-sourcing
     # the version across setup.py and the project code, see
     # https://packaging.python.org/en/latest/single_source_version.html
-    version='0.5.10',
+    version='0.5.11',
     description='Library for building Grafana dashboards',
     long_description=open(README).read(),
     url='https://github.com/weaveworks/grafanalib',