Update Mainnet DB backup S3 bucket

[sionescu]

Description

We have a new Mainnet S3 backup bucket.

[trunk-io]

⏱️ 28m total CI duration on this PR

Job	Cumulative Duration	Recent Runs
test-verify-modules / module-verify	20m	🟥
rust-cargo-deny	3m	🟥
rust-move-tests	2m	🟩
check-dynamic-deps	1m	🟩
general-lints	31s	🟩
semgrep/ci	26s	🟩
file_change_determinator	12s	🟩
Backport PR	3s	🟥
permission-check	3s	🟩
permission-check	3s	🟩
permission-check	2s	🟩

🚨 1 job on the last run was significantly faster/slower than expected

Job	Duration	vs 7d avg	Delta
rust-cargo-deny	3m	2m

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