fix: Bump actions/download-artifact from 3 to 4

Signed-off-by: Christopher Arndt <chris@chrisarndt.de>

Author: SpotlightKid

.github/workflows/push_to_master.yml

@@ -107,7 +107,7 @@ jobs:
     if: github.ref == 'refs/heads/develop'
     steps:
 
-    - uses: actions/download-artifact@v3
+    - uses: actions/download-artifact@v4
       with:
         # unpacks default artifact into dist/
         # if `name: artifact` is omitted, the action will create extra parent dir

.github/workflows/release.yml

@@ -108,7 +108,7 @@ jobs:
     runs-on: ubuntu-latest
     environment: PyPI release
     steps:
-    - uses: actions/download-artifact@v3
+    - uses: actions/download-artifact@v4
       with:
         # unpacks default artifact into dist/
         # if `name: artifact` is omitted, the action will create extra parent dir