bugfix(installer): fix grafana template fromat error in volcano-monitoring-latest.yaml

[Xu-Wentao]

Some values like \{\{ can't be recognized by grafana, we need to change them to \\{\\{.

[volcano-sh-bot]

Welcome @Xu-Wentao!

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Thank you, and welcome to Volcano. 😃

[volcano-sh-bot]

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[Xu-Wentao]

/assign @william-wang

[william-wang]

Triger the ci.

[Xu-Wentao]

Triger the ci.

I'm new here, can you tell me how to triger the ci, :)

[Monokaix]

Fixed by #3262

[Monokaix]

/close

[volcano-sh-bot]

@Monokaix: Closed this PR.

In response to this:

/close

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