chore(deps): update docker.io/otel/opentelemetry-collector docker tag to v0.81.0

[renovate[bot]]

This PR contains the following updates:

Package	Update	Change
docker.io/otel/opentelemetry-collector	minor	0.80.0 -> 0.81.0

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Release Notes

open-telemetry/opentelemetry-collector-releases (docker.io/otel/opentelemetry-collector)

### [`v0.81.0`](https://togithub.com/open-telemetry/opentelemetry-collector-releases/releases/tag/v0.81.0) [Compare Source](https://togithub.com/open-telemetry/opentelemetry-collector-releases/compare/v0.80.0...v0.81.0) #### Changelog - [`ccf73fe`](https://togithub.com/open-telemetry/opentelemetry-collector-releases/commit/ccf73fe) Prepare release v0.81.0 ([#​368](https://togithub.com/open-telemetry/opentelemetry-collector-releases/issues/368)) - [`3628818`](https://togithub.com/open-telemetry/opentelemetry-collector-releases/commit/3628818) Bump anchore/sbom-action from 0.14.2 to 0.14.3 ([#​363](https://togithub.com/open-telemetry/opentelemetry-collector-releases/issues/363))

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