Updated Minio client dependency to latest version; Code refactor due to MinioClient SDK breaking changes

TEIS-2027: moved files-client-lib from files-service to commons project and...

Closes TEIS-2027

See merge request teis/common-api-gateway!191

TEIS-2027: moved files-client-lib from files-service to commons project and refactored code accordingly; marked files-service cs-exchange as disabled; resolved todos

TEIS-1960: new functionality for getting licenced authorities.

Resolve TEIS-1960

Closes TEIS-1960

See merge request teis/common-api-gateway!186

TEIS-1981: refactored SignExistingFileRequest to accept SignFileDto as request object instead of just file UUID

TEIS-1982: functionality to exclude tasks by task definition code when querying for tasks

See merge request teis/common-api-gateway!187

TEIS-2014: filters for procedural act query

See merge request teis/common-api-gateway!190

verify: enabled ms_exchange for common API gateway to enable initialization of buckets configuration via files service micro services exchange

Resolve TEIS-1981

Closes TEIS-1981

See merge request teis/common-api-gateway!185

TEIS-1981: functionality to map S3 Minio bucket dynamically (configuration provided by files service)

TEIS-1981: added new library files-client-lib and refactored code accordingly; fixed files-service dependency management and refactored services, which use files-service-lib, accordingly

TEIS-1836: new authorities/get authority-licences endpoint.

See merge request teis/common-api-gateway!184

TEIS-1981: functionality to map S3 Minio bucket dynamically (configuration provided by files service)