update release scripts and notes

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

Author: NikolajBjorner

RELEASE_NOTES.md

@@ -17,7 +17,7 @@ Version 4.12.5
   - sat.smt=true smt.bv.solver=2
   - It solves a few bit-vector problems not handled by bit-blasting, especially if the bit-widths are large.
   - It is based on encoding bit-vector constraints to non-linear integer arithmetic.
-
+- Optimizations to the arithmetic solver. Description: https://github.com/Z3Prover/doc/tree/master/arithmetic
 
 Version 4.12.4
 ==============

scripts/release.yml

@@ -485,7 +485,7 @@ stages:
   jobs:
 
   - job: GitHubPublish
-    condition: eq(1,0)
+    condition: eq(1,1)
     displayName: "Publish to GitHub"
     pool:
       vmImage: "windows-latest"
@@ -583,7 +583,7 @@ stages:
 
   # Enable on release:
   - job: PyPIPublish
-    condition: eq(1,0)
+    condition: eq(1,1)
     displayName: "Publish to PyPI"
     pool:
       vmImage: "ubuntu-latest"