🌱 Bump actions/upload-artifact from 3 to 4

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

.github/workflows/ci.yaml

@@ -169,7 +169,7 @@ jobs:
       run: make release
 
     - name: Upload artifact
-      uses: actions/upload-artifact@v3
+      uses: actions/upload-artifact@v4
       with:
         name: release-manifests
         path: out/release
@@ -215,7 +215,7 @@ jobs:
       run: ./scripts/ci-e2e-capi-quickstart.sh
 
     - name: Upload artifact
-      uses: actions/upload-artifact@v3
+      uses: actions/upload-artifact@v4
       if: ${{ always() }}
       with:
         name: e2e-quickstart
@@ -262,7 +262,7 @@ jobs:
       run: ./scripts/ci-e2e-capi.sh
 
     - name: Upload artifact
-      uses: actions/upload-artifact@v3
+      uses: actions/upload-artifact@v4
       if: ${{ always() }}
       with:
         name: e2e
@@ -309,7 +309,7 @@ jobs:
       run: ./scripts/ci-e2e-capi-conformance.sh
 
     - name: Upload artifact
-      uses: actions/upload-artifact@v3
+      uses: actions/upload-artifact@v4
       if: ${{ always() }}
       with:
         name: e2e-conformance
@@ -357,7 +357,7 @@ jobs:
       run: ./scripts/ci-e2e-capi-management-upgrade.sh
 
     - name: Upload artifact
-      uses: actions/upload-artifact@v3
+      uses: actions/upload-artifact@v4
       if: ${{ always() }}
       with:
         name: e2e-management-upgrade
@@ -404,7 +404,7 @@ jobs:
       run: ./scripts/ci-e2e-capi-workload-upgrade.sh
 
     - name: Upload artifact
-      uses: actions/upload-artifact@v3
+      uses: actions/upload-artifact@v4
       if: ${{ always() }}
       with:
         name: e2e-workload-upgrade