feat(DEVWF-935): add deno script for running pg-delta

[sweatybridge]

What kind of change does this PR introduce?

feature

What is the new behavior?

git clone git@github.com:supabase/pg-delta.git
cd cli/internal/db/diff/delta
deno i
# Pull remote schema as a local migration
export SOURCE=postgres://postgres:postgres@127.0.0.1:54322/postgres
export TARGET=<db-connection-string>
deno run -A main.ts | supabase migrations new my_schema

Additional context

Add any other context or screenshots.

[coveralls]

Pull Request Test Coverage Report for Build 20103216126

Details

• 0 of 0 changed or added relevant lines in 0 files are covered.
• 5 unchanged lines in 1 file lost coverage.
• Overall coverage decreased (-0.03%) to 56.212%

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Files with Coverage Reduction	New Missed Lines	%
internal/gen/keys/keys.go	5	12.9%

Totals
Change from base Build 20098526635:	-0.03%
Covered Lines:	6832
Relevant Lines:	12154

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💛 - Coveralls