try to fix CI

.github/workflows/build.yml

@@ -35,6 +35,7 @@ jobs:
       - name: Build executables with pyinstaller
         run: |
           # store the latest tag in static file
+          git fetch --tags
           git describe --tags --abbrev=0 > .version
           python -m PyInstaller jimmy_cli.spec
           # python -m PyInstaller jimmy_gui.spec