Update pyinstaller requirement from <4.6,>=4.5 to >=4.5,<4.10

Updates the requirements on [pyinstaller](https://github.com/pyinstaller/pyinstaller) to permit the latest version.
- [Release notes](https://github.com/pyinstaller/pyinstaller/releases)
- [Changelog](https://github.com/pyinstaller/pyinstaller/blob/v4.9/doc/CHANGES.rst)
- [Commits](pyinstaller/pyinstaller@v4.5...v4.9)

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

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

requirements/packaging.txt

@@ -2,5 +2,5 @@
 # ---------
 
 distro==1.7.* ; sys_platform == 'linux'
-pyinstaller>=4.5,<4.6
+pyinstaller>=4.5,<4.10
 pypiwin32==223 ; sys_platform == 'win32'