Update README.md with 2025.12.09 release sha256sum

Author: Salt Project Packaging

README.md

@@ -21,6 +21,7 @@ sum** of the downloaded `svtminion.sh` file.
 
 The SHA256 sum of the `svtminion.sh` file, per release, is:
 
+- 2025.12.09: `7d8ac0ef090e8e90f4f4d0071a6cd6ec44dd258a835d3946125c9f400b059940`
 - 2025.12.08: `03ea7103a0021f8b8508be315ad10492cbceab353823567bd41b3a3609b21e04`
 - 2024.12.05: `dc6c2438d94a535067c871f8d84960ddbf4b77f204f6d9e91fd3baa021b93270`
 - 2024.12.04: `e7f4d7b242bd495c63e7b3240631411fbe65ac966ff2c1ef93399ceda9b5719f`