fix(sdk-lib-mpc): add keyShare to EdDSA MPCv2 getReducedKeyShare #2582

Job	Run time
Generate head API spec	8m 15s
Generate merge base API spec	8m 2s
Check specs identical	15s
Generate vacuum reports for API spec	0s
Check breaking changes	-1s
API Spec Check	3s
Linter Override	-1s
	16m 33s

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