revert Z3 to version 4.13.0, where Windows release should be ok.

Author: kfriedberger

lib/ivy.xml

@@ -161,7 +161,7 @@ SPDX-License-Identifier: Apache-2.0
 
         <!-- Solver Binaries -->
         <dependency org="org.sosy_lab" name="javasmt-solver-mathsat" rev="5.6.11-glibc2.27" conf="runtime-mathsat->solver-mathsat" />
-        <dependency org="org.sosy_lab" name="javasmt-solver-z3" rev="4.13.2" conf="runtime-z3->solver-z3; contrib->sources,javadoc" />
+        <dependency org="org.sosy_lab" name="javasmt-solver-z3" rev="4.13.0" conf="runtime-z3->solver-z3; contrib->sources,javadoc" />
         <dependency org="org.sosy_lab" name="javasmt-solver-opensmt" rev="2.6.0-g2f72cc0e" conf="runtime-opensmt->solver-opensmt; contrib->sources,javadoc" />
         <dependency org="org.sosy_lab" name="javasmt-solver-optimathsat" rev="1.7.1-sosy0" conf="runtime-optimathsat->solver-optimathsat" />
         <dependency org="org.sosy_lab" name="javasmt-solver-cvc4" rev="1.8-prerelease-2020-06-24-g7825d8f28" conf="runtime-cvc4->solver-cvc4" />