grafana: Update to 9.2.6

pkgsrc changes:
---------------
	* Remove patches since pull request on bluge has been integrated
	  (blugelabs/bluge#139)

upstream changes:
-----------------
9.2.6 (2022-11-22)
Features and enhancements
  o Alerting: Support Prometheus durations in Provisioning API.
  o SSE: Keep value name from numeric table.
  o Transformations: Make Card Descriptions Clickable.
Bug fixes
  o MS/My/PostgresSQL: Migrate annotation query.
  o Search: Fixes issue with Recent/Starred section always displaying "General" folder.
  o Server: Write internal server error on missing write.

www/grafana/Makefile

@@ -1,4 +1,6 @@
-# $NetBSD: Makefile,v 1.90 2023/02/07 22:27:21 triaxx Exp $
+# $NetBSD: Makefile,v 1.91 2023/02/09 04:53:29 triaxx Exp $
+
+# To remove on next commit
 
 DISTNAME=	grafana-9.2.6
 CATEGORIES=	www