github: switch to upload-artifact v4

v3 is no longer supported

Signed-off-by: Gerwin Klein <gerwin.klein@proofcraft.systems>

Author: lsf37

.github/workflows/rump-deploy.yml

@@ -48,7 +48,7 @@ jobs:
         req: ${{ matrix.req }}
     - name: Upload images
       if: ${{ matrix.req != 'sim' }}
-      uses: actions/upload-artifact@v3
+      uses: actions/upload-artifact@v4
       with:
         name: images-${{ matrix.req }}
         path: '*-images.tar.gz'
@@ -72,7 +72,7 @@ jobs:
           path: machine_queue
           token: ${{ secrets.PRIV_REPO_TOKEN }}
       - name: Download image
-        uses: actions/download-artifact@v3
+        uses: actions/download-artifact@v4
         with:
           name: images-${{ matrix.req }}
       - name: Run

.github/workflows/test.yml

@@ -24,7 +24,7 @@ jobs:
         req: ${{ matrix.req }}
     - name: Upload images
       if: ${{ matrix.req != 'sim' }}
-      uses: actions/upload-artifact@v3
+      uses: actions/upload-artifact@v4
       with:
         name: images-${{ matrix.req }}
         path: '*-images.tar.gz'