chore: update charm libraries (#260)

Co-authored-by: Yanks Yoon <37652070+yanksyoon@users.noreply.github.com>
Co-authored-by: Niels Robin-Aubertin <nrobinaubertin@users.noreply.github.com>

lib/charms/grafana_k8s/v0/grafana_dashboard.py

@@ -219,7 +219,7 @@ def __init__(self, *args):
 # Increment this PATCH version before using `charmcraft publish-lib` or reset
 # to 0 if you are raising the major API version
 
-LIBPATCH = 35
+LIBPATCH = 36
 
 logger = logging.getLogger(__name__)
 
@@ -1050,6 +1050,7 @@ def __init__(
 
         self.framework.observe(self._charm.on.leader_elected, self._update_all_dashboards_from_dir)
         self.framework.observe(self._charm.on.upgrade_charm, self._update_all_dashboards_from_dir)
+        self.framework.observe(self._charm.on.config_changed, self._update_all_dashboards_from_dir)
 
         self.framework.observe(
             self._charm.on[self._relation_name].relation_created,