feat: implement sql procedures

Summary

• feat: implement sql procedures

Current commit introduces

• _pico_routine global table
• procedure creation with SQL API

Depends on:

• picodata/tarantool!145,
• tarantool-module!452 (merged),
• sbroad!378 (merged)

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• Close #477 (closed)
• Docs follow-up: docs#183 (closed)