Proposal #40: Governance: extend voting period to 48 hours

This proposal updates x/gov: the standard voting period becomes 48 hours (was 24), and the expedited voting period becomes 12 hours (was 3). All other governance parameters remain at their current on-chain values.

• Status: Passed (submitted 2026-04-13)
• Tally by voting weight: yes 57.7%, no 0.0%, abstain 40.5%, no with veto 1.8%
• Proposer: gonka1k6p754pyhxud2399knyccgjpjvdafj2u9xlgyf
• Messages: MsgUpdateParams