chore(deps): update github artifact actions

Author: renovate[bot]

.github/workflows/publish.yml

@@ -57,7 +57,7 @@ jobs:
       - shell: pwsh
         run: echo "target=${{ matrix.platform }}-${{ matrix.arch }}" >> $env:GITHUB_ENV
       - run: npx vsce package --target ${{ env.target }}
-      - uses: actions/upload-artifact@v4
+      - uses: actions/upload-artifact@v5
         with:
           name: ${{ env.target }}
           path: "*.vsix"
@@ -68,7 +68,7 @@ jobs:
     needs: build
     if: success()
     steps:
-      - uses: actions/download-artifact@v4
+      - uses: actions/download-artifact@v6
       - run: npx vsce publish --packagePath $(find . -iname *.vsix)
         env:
           VSCE_PAT: ${{ secrets.VSCE_PAT }}