feat: Adding a new Filter model for tables and sequences

[eldabaa]

Closes https://github.com/Autodesk/pgbelt/issues/598

Summary of Changes:

• New Model: Introduced a new model to handle filtering.
• Configuration Update: The configuration now includes a FilterConfig type for tables and sequences.
• Filtering Logic: The apply method is responsible for filtering the results.

Filtering Approach:

• When to Filter: I propose applying the filtering in the get_config_async method. By doing this, we centralize the function responsible for generating the necessary list of tables and sequences.

Benefits:

• No need to adjust the current tool logic, as tables and sequences will be rendered as usual.
• Potentially eliminates redundant code, as there will be no need to apply the filter again elsewhere in the tool.
• Allows for user alerts if no tables are selected after filtering, before initiating all PG pools and other operations.

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