Update PolicyEngine US to 1.611.2

[policyengine]

Summary

Update PolicyEngine US from 1.606.1 to 1.611.2.

What changed (1.606.1 -> 1.611.2)

Added

• Backdate California TANF (CalWORKs) parameters.
• Add NY S9110 personal income tax rate reform.
• Add Alabama HB527 overtime compensation deduction reform.
• Backdate Kentucky K-TAP parameters to 1997, add unified earned income disregard formula with time-limited month proxy, and make all deductions fully per-person per MS 2840.
• Add contributed reform for Michigan Child Tax Credit (HB 4055).

Changed

• Update DC CDCC match rate to 24.25% for tax year 2026+ per DC Code 47-1806.04(c)(1)(B), as amended by the FY2025 Budget Support Act (D.C. Act 25-506, sec. 7032).
• Backdate Montana TANF parameters and fix FPL year pinning.
• Update Nevada TANF need standard with 2025-04-01 values.
• Backdate MA TAFDC clothing allowance, WY POWER payment standards, and fix NV TANF broken references.
• Backdate Mississippi TANF parameters to 2017.

Fixed

• Add Missouri $1,400 head of household additional exemption (MO-1040 Line 15).
• Fix Missouri's 2025 capital gains subtraction to use federally reported capital gains, including positive short-term gains.
• Keep Oklahoma's pension subtraction cap at $10,000 per person for 2024+ and fix related Oklahoma income tax regressions.

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