Bump pyinstaller from 3.6 to 5.13.1 in /ezhilbot

Bumps [pyinstaller](https://github.com/pyinstaller/pyinstaller) from 3.6 to 5.13.1.
- [Release notes](https://github.com/pyinstaller/pyinstaller/releases)
- [Changelog](https://github.com/pyinstaller/pyinstaller/blob/develop/doc/CHANGES-3.rst)
- [Commits](pyinstaller/pyinstaller@v3.6...v5.13.1)

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

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

ezhilbot/requirements.txt

@@ -2,6 +2,6 @@ ezhil==0.99
 ezhuthi==0.99
 graphviz==0.4.8
 pygobject==3.18.2
-pyinstaller==3.6
+pyinstaller==5.13.1
 python-twitter==3.3
 Open-Tamil==0.67