Add support for ReadConcern

Description

Add support for ReadConcern (https://docs.mongodb.com/manual/reference/read-concern/) as it was been done for WriteConcern (OGM-342)

Environment

None

Assignee

Aleksandr Mylnikov

Reporter

Aleksandr Mylnikov

Labels

None

Feedback Requested

None

Feedback Requested By

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backPortable

None

Suitable for new contributors

None

backportDecision

None

backportReEvaluate

None

Components

Fix versions

Priority

Major
Configure