feat: support tracking commit timestamp

[sweatybridge]

What kind of change does this PR introduce?

feature

What is the new behavior?

Support new postgres config option.

supabase --experimental postgres-config update --config track_commit_timestamp=true

Additional context

At some point, we probably want to transition to using [db.settings] in config.toml for config updates.

[coveralls]

Pull Request Test Coverage Report for Build 11735196464

Details

• 0 of 5 (0.0%) changed or added relevant lines in 1 file are covered.
• 7 unchanged lines in 2 files lost coverage.
• Overall coverage decreased (-0.03%) to 59.803%

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Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
internal/postgresConfig/update/update.go	0	5	0.0%

Files with Coverage Reduction	New Missed Lines	%
internal/storage/rm/rm.go	2	89.53%
internal/gen/keys/keys.go	5	12.9%

Totals
Change from base Build 11721388357:	-0.03%
Covered Lines:	6384
Relevant Lines:	10675

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💛 - Coveralls