fix builds

Author: Shotgunosine

.github/workflows/build_executables.yml

@@ -28,7 +28,7 @@ jobs:
 
             - name: Set up Mesa3D OpenGL DLL
               run: |
-                  curl -L -o opengl32.dll https://github.com/pal1000/mesa-dist-win/releases/download/22.1.5/mesa3d-22.1.5-release-mingw.7z
+                  curl -L -o mesa3d-22.1.5-release-mingw.7z https://github.com/pal1000/mesa-dist-win/releases/download/22.1.5/mesa3d-22.1.5-release-mingw.7z
                   7z x mesa3d-22.1.5-release-mingw.7z -o$Env:UserProfile\mesa3d
               shell: pwsh
 
@@ -70,6 +70,7 @@ jobs:
             - name: Install dependencies
               run: |
                   python -m pip install --upgrade pip
+                  pip install pyinstaller
                   pip install --target . --platform=macosx_10_9_universal2 --only-binary=:all: -r requirements.txt
 
             - name: Build executable with PyInstaller