fix: bump download artifact to v4

This reverts commit 20ac99fdbf.

.github/workflows/pypi-gpu.yml

@@ -43,6 +43,9 @@ jobs:
             sed "s/ezkl/ezkl-gpu/" pyproject.toml.orig >pyproject.toml
             sed "s/0\\.0\\.0/${RELEASE_TAG//v}/" pyproject.toml.orig >pyproject.toml
 
+      - name: rename ezkl.pyi to ezkl-gpu.pyi
+        run: mv ezkl.pyi ezkl-gpu.pyi
+
       - uses: actions-rs/toolchain@v1
         with:
           toolchain: nightly-2023-06-27
@@ -73,7 +76,7 @@ jobs:
       - name: Install built wheel
         if: matrix.target == 'x86_64'
         run: |
-          pip install ezkl --no-index --find-links dist --force-reinstall
+          pip install ezkl-gpu --no-index --find-links dist --force-reinstall
 
       - name: Upload wheels
         uses: actions/upload-artifact@v4
@@ -92,7 +95,7 @@ jobs:
     # needs: [ macos, windows, linux, linux-cross, musllinux, musllinux-cross ]
     needs: [linux]
     steps:
-      - uses: actions/download-artifact@v3
+      - uses: actions/download-artifact@v4
         with:
           name: wheels
       - name: List Files

.github/workflows/pypi.yml

@@ -273,7 +273,7 @@ jobs:
       - name: Upload wheels
         uses: actions/upload-artifact@v4
         with:
-          name: name: dist-musllinux-${{ matrix.target }}
+          name: dist-musllinux-${{ matrix.target }}
           path: dist
 
   musllinux-cross:
@@ -347,7 +347,7 @@ jobs:
     if: "startsWith(github.ref, 'refs/tags/')"
     needs: [macos, windows, linux, musllinux, musllinux-cross]
     steps:
-      - uses: actions/download-artifact@v3
+      - uses: actions/download-artifact@v4
         with:
           pattern: dist-*
           merge-multiple: true
@@ -377,7 +377,7 @@ jobs:
     needs: pypi-publish
     steps:
       - uses: actions/checkout@v4
-        with: 
+        with:
           persist-credentials: false
       - name: Trigger RTDs build
         uses: dfm/rtds-action@v1