grafana: rebase grafana.ini to grafana 8.4.5-2

roles/grafana/templates/grafana.ini.j2

@@ -552,6 +552,8 @@ role_attribute_strict = true
 ;sync_ttl = 60
 ;whitelist = 192.168.1.1, 192.168.2.1
 ;headers = Email:X-User-Email, Name:X-User-Name
+# Non-ASCII strings in header values are encoded using quoted-printable encoding
+;headers_encoded = false
 # Read the auth proxy docs for details on what the setting below enables
 ;enable_login_token = false
 
@@ -873,7 +875,7 @@ enabled = false
 ;enabled = false
 
 #################################### Internal Grafana Metrics ##########################
-# Metrics available at HTTP API Url /metrics
+# Metrics available at HTTP URL /metrics and /metrics/plugins/:pluginId
 [metrics]
 # Disable / Enable internal metrics
 ;enabled           = true
@@ -882,7 +884,7 @@ enabled = false
 # Disable total stats (stat_totals_*) metrics to be generated
 ;disable_total_stats = false
 
-#If both are set, basic auth will be required for the metrics endpoint.
+#If both are set, basic auth will be required for the metrics endpoints.
 ; basic_auth_username =
 ; basic_auth_password =