Bump sympy from 0.7.6.1 to 1.12

Bumps [sympy](https://github.com/sympy/sympy) from 0.7.6.1 to 1.12.
- [Release notes](https://github.com/sympy/sympy/releases)
- [Commits](sympy/sympy@sympy-0.7.6.1...sympy-1.12)

---
updated-dependencies:
- dependency-name: sympy
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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

setup.py

@@ -86,7 +86,7 @@
         'pyparsing==2.2.0',
         'pyclibrary==0.2.1',
         'tabulate==0.7.5',          # 0.8.2
-        'sympy==0.7.6.1',           # 1.1.1
+        'sympy==1.12',           # 1.1.1
     ],
     'storage_plus': [
         'alchimia>=0.4,<1',