pip prod(deps): update sympy requirement

Updates the requirements on [sympy](https://github.com/sympy/sympy) to permit the latest version.
- [Release notes](https://github.com/sympy/sympy/releases)
- [Commits](sympy/sympy@sympy-1.9...sympy-1.13.0)

---
updated-dependencies:
- dependency-name: sympy
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

requirements.txt

@@ -1,7 +1,7 @@
 cloudpickle
 pip>=9.0.1
 numpy>1.16
-sympy>=1.9,<1.13
+sympy>=1.9,<1.14
 cached-property
 psutil>=5.1.0,<7.0
 py-cpuinfo<10