[docker/libpq] add libpq-dev as an apt dep

[suiwombat]

Description

tsia

Test Plan

trust

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Type of Change (Check all that apply)

• [ ] protocol change
• [ ] user-visible impact
• [ ] breaking change for a client SDKs
• [ ] breaking change for FNs (FN binary must upgrade)
• [ ] breaking change for validators or node operators (must upgrade binaries)
• [ ] breaking change for on-chain data layout
• [ ] necessitate either a data wipe or data migration

Release notes

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Name	Status	Preview	Comments	Updated (UTC)
mysten-ui	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Oct 11, 2023 8:25pm
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