chore(deps): update dependency observability-operator to v0.76.0 [do not release]

[renovate]

This PR contains the following updates:

Package	Update	Change
observability-operator	minor	v0.75.0 → v0.76.0

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Release Notes

giantswarm/observability-operator (observability-operator)

v0.76.0

Compare Source

Added

• Add the LogExport controller, rendering the alloy-logexporter ConfigMap and Secret from LogExport resources. Gated by operator.controllers.logExport.enabled (default true).
• Add LogExport.spec.destination.s3.format, selecting otlp (the default) or raw.
• Expose the alloy-logexporter values target, replicas, WAL size, export timeout and container resources as operator configuration.

Changed

• Tighten LogExport.spec.selector validation: reject or on |=/|~ and ip() line filters, and prefix errors with stable codes (LOGQL001-LOGQL012).

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