Update actions/download-artifact action to v4.3.0

Author: renovate[bot]

.github/workflows/windows_angle_wheels.yml

@@ -67,7 +67,7 @@ jobs:
       run: |
         . .\ci\windows_ci.ps1
         Prepre-env
-    - uses: actions/download-artifact@v4.1.8
+    - uses: actions/download-artifact@v4.3.0
       with:
         path: angle_dlls
         pattern: angle_dlls-*

.github/workflows/windows_sdl3_wheels.yml

@@ -59,7 +59,7 @@ jobs:
       run: |
         . .\ci\windows_ci.ps1
         Prepre-env
-    - uses: actions/download-artifact@v4.1.8
+    - uses: actions/download-artifact@v4.3.0
       with:
         name: sdl3_build_${{ matrix.arch }}
         path: kivy_build