feat(sdk): Add std python sdk to wheel

[devsjc]

Contribution Checklist

• Have you followed the Open Climate Fix Contribution Guidelines?
• Have you referenced the Issue this PR addresses, where applicable?
• Have you checked to ensure there aren't other open Pull Requests for the same change?
• Have you added a summary of the changes?
• Have you written new tests for your changes, where applicable?
• Have you successfully run make lint with your changes locally?
• Have you successfully run make test with your changes locally?

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Changes in this Pull Request

Adds standard python grpc generated files in the python sdk wheel.

[github-actions]

Benchmark Results

Benchmark results

?   	github.com/openclimatefix/data-platform/cmd	[no test files]
?   	github.com/openclimatefix/data-platform/internal/gen/ocf/dp	[no test files]
?   	github.com/openclimatefix/data-platform/internal/interceptors	[no test files]
PASS
ok  	github.com/openclimatefix/data-platform/internal/server/dummy	0.005s
{"level":"debug","time":"2026-04-01T08:52:55Z","message":"Completed migrations"}
goos: linux
goarch: amd64
pkg: github.com/openclimatefix/data-platform/internal/server/postgres
cpu: AMD EPYC 7763 64-Core Processor                
BenchmarkPostgresClient/small/GetForecastAsTimeseries-4         	      70	  15753666 ns/op
BenchmarkPostgresClient/small/GetForecastAtTimestamp-4          	     283	   4080369 ns/op
BenchmarkPostgresClient/small/GetObservationsAsTimeseries-4     	     944	   1236760 ns/op
BenchmarkPostgresClient/small/CreateForecast-4                  	      91	  12785670 ns/op
PASS
ok  	github.com/openclimatefix/data-platform/internal/server/postgres	68.881s
?   	github.com/openclimatefix/data-platform/internal/server/postgres/gen	[no test files]

Benchmark vs base branch

goos: linux
goarch: amd64
pkg: github.com/openclimatefix/data-platform/internal/server/postgres
cpu: AMD EPYC 7763 64-Core Processor                
                                                   │ bench-devsjc-python-output.txt │
                                                   │             sec/op             │
PostgresClient/small/GetForecastAsTimeseries-4                         15.75m ± ∞ ¹
PostgresClient/small/GetForecastAtTimestamp-4                          4.080m ± ∞ ¹
PostgresClient/small/GetObservationsAsTimeseries-4                     1.237m ± ∞ ¹
PostgresClient/small/CreateForecast-4                                  12.79m ± ∞ ¹
geomean                                                                5.646m
¹ need >= 6 samples for confidence interval at level 0.95

cpu: Intel(R) Xeon(R) Platinum 8370C CPU @ 2.80GHz
                                                   │ bench-main.txt │
                                                   │     sec/op     │
PostgresClient/small/GetForecastAsTimeseries-4         17.72m ± ∞ ¹
PostgresClient/small/GetForecastAtTimestamp-4          3.714m ± ∞ ¹
PostgresClient/small/GetObservationsAsTimeseries-4     1.025m ± ∞ ¹
PostgresClient/small/CreateForecast-4                  11.74m ± ∞ ¹
geomean                                                5.306m
¹ need >= 6 samples for confidence interval at level 0.95