fix(pg-delta): declarative apply error results

[avallete]

What kind of change does this PR introduce?

• Improve readability report for decalrative appy errors wrapping

Before:

failed to parse pg-delta apply output: json: cannot unmarshal object into Go struct field ApplyResult.stuckStatements of type string                                                                  stdout: {"status":"stuck","totalStatements":15,"totalRounds":2,"totalApplied":10,"totalSkipped":0,"errors":[],"stuckStatements":[{"statement":{"id":"cluster/extensions/pgmq.sql:0","sql":"CREATE EXTENSION pgmq WITH SCHEMA pgmq;","statementClass":"CREATE_EXTENSION"},"code":"3F000","message":"schema \"pgmq\" does not exist","isDependencyError":true},{"statement":{"id":"schemas/public/functions/pgmq_read.sql:0","sql":"CREATE FUNCTION public.pgmq_read (\n  queue_name    text,\n  sleep_seconds integer DEFAULT 0,\n  n             integer DEFAULT 1\n)\n  RETURNS SETOF pgmq.message_record\n  LANGUAGE plpgsql\n  SECURITY DEFINER\n  SET search_path TO 'pgmq'\n  AS $function$\nBEGIN\n    -- Validate input parameters\n    IF queue_name IS NULL OR queue_name = '' THEN\n        RAISE EXCEPTION 'queue_name cannot be null or empty';\n    END IF;\n    \n    IF sleep_seconds IS NULL OR sleep_seconds < 0 THEN\n        RAISE EXCEPTION 'sleep_seconds must be non-negative, got: %', sleep_seconds;\n    END IF;\n    \n    IF n IS NULL OR n <= 0 THEN\n        RAISE EXCEPTION 'n must be a positive integer, got: %', n;\n    END IF;\n    \n    RETURN QUERY\n    SELECT * FROM pgmq.read(queue_name, sleep_seconds, n);\nEND;\n$function$;","statementClass":"CREATE_FUNCTION"},"code":"3F000","message":"schema \"pgmq\" does not exist","isDependencyError":true},{"statement":{"id":"schemas/public/functions/pgmq_read.sql:1","sql":"GRANT ALL ON FUNCTION public.pgmq_read(text, integer, integer) TO anon;","statementClass":"GRANT"},"code":"42883","message":"function public.pgmq_read(text, integer, integer) does not exist","isDependencyError":true},{"statement":{"id":"schemas/public/functions/pgmq_read.sql:2","sql":"GRANT ALL ON FUNCTION public.pgmq_read(text, integer, integer) TO authenticated;","statementClass":"GRANT"},"code":"42883","message":"function public.pgmq_read(text, integer, integer) does not exist","isDependencyError":true},{"statement":{"id":"schemas/public/functions/pgmq_read.sql:3","sql":"GRANT ALL ON FUNCTION public.pgmq_read(text, integer, integer) TO service_role;","statementClass":"GRANT"},"code":"42883","message":"function public.pgmq_read(text, integer, integer) does not exist","isDependencyError":true}]}

After:

Applying declarative schemas via pg-delta...
pg-delta apply returned status "stuck".
28/33 statements applied in 2 round(s); 0 skipped.
Stuck statements:
- cluster/extensions/pgmq.sql:0 [CREATE_EXTENSION]
  schema "pgmq" does not exist (SQLSTATE 3F000, dependency error)
  SQL: CREATE EXTENSION pgmq WITH SCHEMA pgmq;
- schemas/public/functions/pgmq_read.sql:0 [CREATE_FUNCTION]
  schema "pgmq" does not exist (SQLSTATE 3F000, dependency error)
  SQL: CREATE FUNCTION public.pgmq_read ( queue_name text, sleep_seconds integer DEFAULT 0, n integer DEFAULT 1 ) RETURNS SE...
- schemas/public/functions/pgmq_read.sql:1 [GRANT]
  function public.pgmq_read(text, integer, integer) does not exist (SQLSTATE 42883, dependency error)
  SQL: GRANT ALL ON FUNCTION public.pgmq_read(text, integer, integer) TO anon;
- schemas/public/functions/pgmq_read.sql:2 [GRANT]
  function public.pgmq_read(text, integer, integer) does not exist (SQLSTATE 42883, dependency error)
  SQL: GRANT ALL ON FUNCTION public.pgmq_read(text, integer, integer) TO authenticated;
- schemas/public/functions/pgmq_read.sql:3 [GRANT]
  function public.pgmq_read(text, integer, integer) does not exist (SQLSTATE 42883, dependency error)
  SQL: GRANT ALL ON FUNCTION public.pgmq_read(text, integer, integer) TO service_role;

Debug information saved to supabase/.temp/pgdelta/debug/20260414-163345

To report this issue, you can:
  1. Open an issue at https://github.com/supabase/pg-toolbelt/issues
     Attach the files from the debug folder above.
  2. Open a support ticket at https://supabase.com/dashboard/support
     (only visible to Supabase employees)

WARNING: The debug folder may contain sensitive information about your
database schema, including table structures, function definitions, and role
configurations. Review the contents carefully before sharing publicly.
If unsure, prefer opening a support ticket (option 2) instead.

• Upgrade pg-delta to resolve the error with pgmq

Fixes #5080

[coveralls]

Coverage Report for CI Build 24411025626

Coverage decreased (-0.04%) to 63.733%

Details

• Coverage decreased (-0.04%) from the base build.
• Patch coverage: 42 uncovered changes across 1 file (54 of 96 lines covered, 56.25%).
• 5 coverage regressions across 1 file.

Uncovered Changes

File	Changed	Covered	%
internal/pgdelta/apply.go	96	54	56.25%

Coverage Regressions

5 previously-covered lines in 1 file lost coverage.

File	Lines Losing Coverage	Coverage
internal/utils/git.go	5	57.14%

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Coverage Stats

Relevant Lines:	15452
Covered Lines:	9848
Line Coverage:	63.73%
Coverage Strength:	6.99 hits per line

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💛 - Coveralls