🎨 no time zone in log file name, use onefile for windows

- time zone names on windows are too long
- onefile on Windows should lead to only one exe
- see if option leads to okay option for .app on MAC

Author: enryH

.github/workflows/cdci.yml

@@ -155,7 +155,7 @@ jobs:
       - name: Build executable
         run: |
           cd gui
-          pyinstaller -n vuegen_gui --windowed --collect-all pyvis --collect-all streamlit --collect-all st_aggrid --collect-all customtkinter --collect-all quarto_cli --collect-all plotly --collect-all _plotly_utils --collect-all traitlets --collect-all referencing --collect-all rpds --collect-all tenacity --collect-all pyvis --collect-all pandas --collect-all numpy --collect-all matplotlib --collect-all openpyxl --collect-all xlrd --collect-all nbformat --collect-all nbclient --collect-all altair --collect-all itables --collect-all kaleido --collect-all pyarrow --collect-all dataframe_image --collect-all narwhals --collect-all PIL --collect-all vl_convert --add-data ../docs/example_data/Basic_example_vuegen_demo_notebook:example_data/Basic_example_vuegen_demo_notebook --add-data ../docs/images/vuegen_logo.png:. app.py
+          pyinstaller -n vuegen_gui --onefile --windowed --collect-all pyvis --collect-all streamlit --collect-all st_aggrid --collect-all customtkinter --collect-all quarto_cli --collect-all plotly --collect-all _plotly_utils --collect-all traitlets --collect-all referencing --collect-all rpds --collect-all tenacity --collect-all pyvis --collect-all pandas --collect-all numpy --collect-all matplotlib --collect-all openpyxl --collect-all xlrd --collect-all nbformat --collect-all nbclient --collect-all altair --collect-all itables --collect-all kaleido --collect-all pyarrow --collect-all dataframe_image --collect-all narwhals --collect-all PIL --collect-all vl_convert --add-data ../docs/example_data/Basic_example_vuegen_demo_notebook:example_data/Basic_example_vuegen_demo_notebook --add-data ../docs/images/vuegen_logo.png:. app.py
         # --windowed only for mac, see:
         # https://pyinstaller.org/en/stable/usage.html#building-macos-app-bundles
         # 'Under macOS, PyInstaller always builds a UNIX executable in dist.'

src/vuegen/utils.py

@@ -642,7 +642,7 @@ def generate_log_filename(folder: str = "logs", suffix: str = "") -> str:
     except OSError as e:
         raise OSError(f"Error creating directory '{folder}': {e}")
     # MAIN FUNCTION
-    log_filename = get_time(incl_timezone=True) + "_" + suffix + ".log"
+    log_filename = get_time(incl_timezone=False) + "_" + suffix + ".log"
     log_filepath = os.path.join(folder, log_filename)
 
     return log_filepath