build(deps): bump actions/upload-artifact from 4 to 5

Bumps [actions/upload-artifact](https://github.com/actions/upload-artifact) from 4 to 5.
- [Release notes](https://github.com/actions/upload-artifact/releases)
- [Commits](actions/upload-artifact@v4...v5)

---
updated-dependencies:
- dependency-name: actions/upload-artifact
  dependency-version: '5'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

.github/workflows/build-test-publish.yml

@@ -210,7 +210,7 @@ jobs:
         cache-to: type=local,dest=${{ runner.temp }}/.buildx-cache-new,mode=min
 
     - name: Upload Operator artifact
-      uses: actions/upload-artifact@v4
+      uses: actions/upload-artifact@v5
       with:
         name: operator_image
         path: ./operator.tar
@@ -226,7 +226,7 @@ jobs:
         make generate-installation-manifest QUAY_IO_OPERATOR_IMAGE=quay.io/rabbitmqoperator/cluster-operator:"${RELEASE_VERSION}" GHCR_IO_OPERATOR_IMAGE=ghcr.io/rabbitmq/cluster-operator:"${RELEASE_VERSION}"
 
     - name: Upload operator manifests
-      uses: actions/upload-artifact@v4
+      uses: actions/upload-artifact@v5
       with:
         name: operator-manifests
         path: releases/cluster-operator*.yml
@@ -498,7 +498,7 @@ jobs:
 
     - name: Upload release header
       if: github.event_name != 'pull_request'
-      uses: actions/upload-artifact@v4
+      uses: actions/upload-artifact@v5
       with:
         name: release-header
         path: release-header.md

.github/workflows/olm.yml

@@ -86,7 +86,7 @@ jobs:
         run: opm alpha bundle validate --tag ${{ env.REGISTRY }}/${{ env.IMAGE }} --image-builder docker
 
       - name: Upload manifests
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v5
         with:
           name: bundle-manifest
           path: |