chore(deps): bump actions/upload-artifact from 3 to 4 (#7471)

Bumps [actions/upload-artifact](https://github.com/actions/upload-artifact) from 3 to 4.
- [Release notes](https://github.com/actions/upload-artifact/releases)
- [Commits](https://github.com/actions/upload-artifact/compare/v3...v4)

---
updated-dependencies:
- dependency-name: actions/upload-artifact
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

.github/workflows/container.yml

@@ -63,7 +63,7 @@ jobs:
           username: ${{ github.actor }}
           password: ${{ secrets.GITHUB_TOKEN }}
       - 
-        uses: actions/download-artifact@v3
+        uses: actions/download-artifact@v4
         with:
           path: .artifacts
           name: zitadel-linux-${{ matrix.arch }}
@@ -116,7 +116,7 @@ jobs:
           touch "/tmp/digests/scratch/${digest#sha256:}"
       -
         name: Upload digest
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: digests
           path: /tmp/digests
@@ -139,7 +139,7 @@ jobs:
     steps:
       -
         name: Download digests
-        uses: actions/download-artifact@v3
+        uses: actions/download-artifact@v4
         with:
           name: digests
           path: /tmp/digests