feature: Add OpenLineage support for SpannerQueryDatabaseInstanceOperator

[pawelgrochowicz]

This PR adds OpenLineage support for SpannerQueryDatabaseInstanceOperator.

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[pawelgrochowicz]

@mobuchowski, a new operator to review.

[mobuchowski]

@pawelgrochowicz could you add Spanner scheme to OpenLineage naming docs? https://openlineage.io/docs/spec/naming/
https://github.com/OpenLineage/OpenLineage/blob/main/website/docs/spec/naming.md

[pawelgrochowicz]

@pawelgrochowicz could you add Spanner scheme to OpenLineage naming docs? https://openlineage.io/docs/spec/naming/ https://github.com/OpenLineage/OpenLineage/blob/main/website/docs/spec/naming.md

I will add it

[pawelgrochowicz]

@pawelgrochowicz could you add Spanner scheme to OpenLineage naming docs? https://openlineage.io/docs/spec/naming/ https://github.com/OpenLineage/OpenLineage/blob/main/website/docs/spec/naming.md

I will add it

@mobuchowski, FYI here is a link to PR in OpenLineage documentation update OpenLineage/OpenLineage#4065