ci: upgrade some upload-artifact/download-artifact actions

v4 can't download from v3 uploaded artifacts. So we need to pair
these.

v4 upload is held back on final release artifact and container images
because of a breaking change related to multi-uploads.

Author: indygreg

.github/workflows/apple.yml

@@ -31,7 +31,7 @@ jobs:
           cargo build --release
 
       - name: Upload pythonbuild Executable
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: pythonbuild
           path: target/release/pythonbuild
@@ -174,7 +174,7 @@ jobs:
           python-version: '3.11'
 
       - name: Download pythonbuild
-        uses: actions/download-artifact@v3
+        uses: actions/download-artifact@v4
         with:
           name: pythonbuild
           path: build

.github/workflows/linux.yml

@@ -36,7 +36,7 @@ jobs:
           cargo build --release
 
       - name: Upload pythonbuild Executable
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: pythonbuild
           path: target/release/pythonbuild
@@ -902,7 +902,7 @@ jobs:
           python-version: '3.11'
 
       - name: Download pythonbuild
-        uses: actions/download-artifact@v3
+        uses: actions/download-artifact@v4
         with:
           name: pythonbuild
           path: build

.github/workflows/windows.yml

@@ -31,7 +31,7 @@ jobs:
           cargo build --release
 
       - name: Upload executable
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: pythonbuild
           path: target/release/pythonbuild.exe
@@ -70,7 +70,7 @@ jobs:
           python-version: '3.11'
 
       - name: Download pythonbuild Executable
-        uses: actions/download-artifact@v3
+        uses: actions/download-artifact@v4
         with:
           name: pythonbuild