fix: generated code, mainly postgres

[si3nloong]

• Drop migration
• Bump dependencies
• Add database name support
• Fix generated codes
• Fix message

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 22.22222% with 21 lines in your changes are missing coverage. Please review.

Project coverage is 17.47%. Comparing base (7741797) to head (2d1e630).
Report is 11 commits behind head on main.

Files	Patch %	Lines
sequel/dialect/postgres/alter_table_stmt.go	0.00%	5 Missing ⚠️
sequel/dialect/mysql/create_table_stmt.go	0.00%	4 Missing ⚠️
sequel/dialect/postgres/data_type.go	0.00%	4 Missing ⚠️
sequel/result.go	60.00%	4 Missing ⚠️
sequel/types/date.go	0.00%	2 Missing ⚠️
sequel/dialect/postgres/create_table_stmt.go	0.00%	1 Missing ⚠️
sequel/types/uint_slice.go	0.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #94      +/-   ##
==========================================
- Coverage   20.21%   17.47%   -2.75%     
==========================================
  Files          47       55       +8     
  Lines        1835     2112     +277     
==========================================
- Hits          371      369       -2     
- Misses       1437     1716     +279     
  Partials       27       27              

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