[ci,windows] Convert icon beforehand

.gitlab-ci.yml

@@ -59,7 +59,7 @@ package_windows:
     # pipenv dependency resolution is platform dependant; pyinstaller has extra dependency on Windows -> resolve at package time
     - C:\\Python310\\python.exe -m pipenv install --dev --skip-lock
   script:
-    - C:\\Python310\\python.exe -m pipenv run pyinstaller --onefile --windowed --name "${WINDOWS_AMD64_BINARY}" -i src/fime/icons/appointment-new.svg src/fime/main.py
+    - C:\\Python310\\python.exe -m pipenv run pyinstaller --onefile --windowed --name "${WINDOWS_AMD64_BINARY}" -i icon.ico src/fime/main.py
   artifacts:
     paths:
       - dist/fime_windows_*

Pipfile

@@ -12,8 +12,6 @@ requests-futures = "~=1.0"
 pyinstaller = "~=5.1"
 # wheel packaging on linux is sufficient
 build = {version = "~=0.8", sys_platform = "== 'linux'" }
-# used by pyinstaller to set exe icon
-pillow = { version = "*", sys_platform = "== 'win32'"}
 
 [requires]
 python_version = "3.10"