feat: Add ml model input and output shape to allow models run on entire tiles

[jdroenner]

• I added an entry to CHANGELOG.md if knowledge of this change could be valuable to users.

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Here is a brief summary of what I did:

[coveralls]

Pull Request Test Coverage Report for Build 13195982647

Details

• 109 of 194 (56.19%) changed or added relevant lines in 10 files are covered.
• 3 unchanged lines in 3 files lost coverage.
• Overall coverage decreased (-0.04%) to 90.031%

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Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
services/src/machine_learning/mod.rs	0	2	0.0%
operators/src/machine_learning/metadata_from_file.rs	14	27	51.85%
services/src/api/model/datatypes.rs	10	24	41.67%
datatypes/src/machine_learning.rs	12	34	35.29%
operators/src/machine_learning/onnx.rs	28	62	45.16%

Files with Coverage Reduction	New Missed Lines	%
services/src/contexts/postgres.rs	1	96.9%
operators/src/machine_learning/metadata_from_file.rs	1	52.86%
services/src/api/handlers/tasks.rs	1	99.53%

Totals
Change from base Build 13173496179:	-0.04%
Covered Lines:	126035
Relevant Lines:	139990

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💛 - Coveralls