build(deps-dev): bump pyinstaller from 6.18.0 to 6.19.0

Bumps [pyinstaller](https://github.com/pyinstaller/pyinstaller) from 6.18.0 to 6.19.0.
- [Release notes](https://github.com/pyinstaller/pyinstaller/releases)
- [Changelog](https://github.com/pyinstaller/pyinstaller/blob/develop/doc/CHANGES.rst)
- [Commits](pyinstaller/pyinstaller@v6.18.0...v6.19.0)

---
updated-dependencies:
- dependency-name: pyinstaller
  dependency-version: 6.19.0
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

pyproject.toml

@@ -50,7 +50,7 @@ diffused = "diffused.cli:main"
 [project.optional-dependencies]
 build = [
     "build==1.4.0",
-    "pyinstaller==6.18.0",
+    "pyinstaller==6.19.0",
     "twine==6.2.0",
 ]
 docs = [