Add pyinstaller dependency

Author: nneskildsf

pyproject.toml

@@ -42,6 +42,7 @@ development = [
     "pyright",
     "black",
     "build",
+    "pyinstaller",
 ]
 
 [project.urls]
@@ -60,4 +61,4 @@ pectus-engine-manager = "openpectus_engine_manager_gui:main"
 include = ["openpectus_engine_manager_gui"]
 exclude = [
     "**/__pycache__",
-]
+]