feat: pixel based raster queries (#221)

* wip rewrite

* adapt to api changes

* update backend ref for tests

* update layer example

* lint, fmt, types

* move resolution from queryrect

* add notebook to check downloader

* remove example_downloads

* ruff ruff

* ruff ruff ruff

* adapt to Time Descriptor and update tests

* update backendref and reformat tests

* adapt to openapi

* update backend ref

* change how TimeDimension types are modelled

* fmt

* adapt to TimeDescriptor changes

* fmt #12345

* adjust to ogc openapi

* ruff

* fix type

* update openapi and backend refs

* adapt test

* ruff ruff

* update backend ref

* add RasterDataType enum, update backend_ref

* add to_np_dtype to RasterDataType

* back to snake_case

* dtype type

* dtype type 2

* fix: unify geotransform

* fix example

* update backend ref

* more tests

* more more tests

* update openapi version

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Co-authored-by: Michael Mattig <michael.m@ttig.de>

Author: jdroenner

.github/.backend_git_ref

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