docs: update mcp-grafana

Add version 1.6.0

Signed-off-by: riseproject-dev[bot] <330740410+riseproject-dev[bot]@users.noreply.github.com>

Author: riseproject-dev[bot]

docs/packages/mcp-grafana.yaml

@@ -25,3 +25,8 @@ versions:
 - version: 1.5.0
 - version: 1.5.1
 - version: 1.6.0
+  tag: mcp-grafana-v1.6.0-20260927191620
+  files:
+  - filename: mcp_grafana-1.6.0-py3-none-manylinux_2_39_riscv64.whl
+    sha256: 0c9a829e993cabd8d28b854fbd2b11aa8be87fce880ed4876ffee18692c70e0c
+    requires-python: '>=3.10'