Update README.md with 2025.12.12 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:
 
+- 2025.12.12: `ec17529cb407d7797a8810edaf4aed74005d8c1961da90a2728099b4657cd645`
 - 2025.12.10: `964e2bf9b810c613a7aacd4052ad12d3c20f1d3504df70d85c4e278429cbe4a9`
 - 2025.12.09: `7d8ac0ef090e8e90f4f4d0071a6cd6ec44dd258a835d3946125c9f400b059940`
 - 2025.12.08: `03ea7103a0021f8b8508be315ad10492cbceab353823567bd41b3a3609b21e04`