Add operator runbooks

[bogdan-at-adobe]

This replaces open-telemetry/opentelemetry-operator#3240.
The initial purpose was to fix the wrong runbook_url in the PrometheusRule in the operator chart. This provides a correct url.

[cartermp]

/fix:all

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[theletterf]

We might want to add "runbooks" and "runbook" to the general cSpell exceptions.

[theletterf]

/fix:all

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[theletterf]

/fix:dict

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[bogdan-at-adobe]

/fix:all

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You triggered fix:all action run at https://github.com/open-telemetry/opentelemetry.io/actions/runs/10684895767

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fix:all was successful.

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