Add Firebird database to ShardingSphere-Proxy module

[TedCraft]

Feature Request

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Is your feature request related to a problem?

Related to #33699.

Describe the feature you would like.

Add Firebird database to proxy, db-protocol and exceptions modules.

I'm currently working on this feature in the https://github.com/red-soft-ru/shardingsphere/tree/rdb-proxy-frontend-devel branch.