fixed grafana plugin user doc (apache#6213)

[maven-release-plugin] copy for tag v0.13.0

[maven-release-plugin] copy for tag v0.12.5

[maven-release-plugin] copy for tag v0.12.4

[maven-release-plugin] copy for tag v0.12.3

[maven-release-plugin] copy for tag v0.12.2

[maven-release-plugin] copy for tag v0.12.1

[maven-release-plugin] copy for tag v0.11.4

[maven-release-plugin] copy for tag v0.12.0

[maven-release-plugin] copy for tag v0.11.3