Update GitHub Action workflows to actions/upload-artifact@v4 (#13297)

Keep this up to date in all non-security-only branches, because the node.js
runtime for older versions might get deprecated in the future and fixing this
for all branches at once is easier.

Author: TimWolla

.github/actions/test-linux/action.yml

@@ -46,7 +46,7 @@ runs:
           --show-diff \
           --show-slow 1000 \
           --set-timeout 120
-    - uses: actions/upload-artifact@v3
+    - uses: actions/upload-artifact@v4
       if: always() && inputs.testArtifacts != null
       with:
         name: ${{ github.job }}_${{ inputs.testArtifacts }}

.github/actions/test-macos/action.yml

@@ -28,7 +28,7 @@ runs:
           --show-diff \
           --show-slow 1000 \
           --set-timeout 120
-    - uses: actions/upload-artifact@v3
+    - uses: actions/upload-artifact@v4
       if: always() && inputs.testArtifacts != null
       with:
         name: ${{ github.job }}_${{ inputs.testArtifacts }}