🌱 Bump actions/upload-artifact from 4 to 5 (operator-framework#2288)

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] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/e2e.yaml

@@ -35,7 +35,7 @@ jobs:
       - name: Run e2e tests
         run: ARTIFACT_PATH=/tmp/artifacts E2E_SUMMARY_OUTPUT=$GITHUB_STEP_SUMMARY make test-e2e
 
-      - uses: actions/upload-artifact@v4
+      - uses: actions/upload-artifact@v5
         if: failure()
         with:
           name: e2e-artifacts
@@ -62,7 +62,7 @@ jobs:
       - name: Run e2e tests
         run: ARTIFACT_PATH=/tmp/artifacts E2E_SUMMARY_OUTPUT=$GITHUB_STEP_SUMMARY make test-experimental-e2e
 
-      - uses: actions/upload-artifact@v4
+      - uses: actions/upload-artifact@v5
         if: failure()
         with:
           name: experimental-e2e-artifacts
@@ -87,7 +87,7 @@ jobs:
     - name: Run the upgrade e2e test
       run: ARTIFACT_PATH=/tmp/artifacts make test-upgrade-e2e
 
-    - uses: actions/upload-artifact@v4
+    - uses: actions/upload-artifact@v5
       if: failure()
       with:
         name: upgrade-e2e-artifacts
@@ -105,7 +105,7 @@ jobs:
     - name: Run the upgrade e2e test
       run: ARTIFACT_PATH=/tmp/artifacts make test-upgrade-experimental-e2e
 
-    - uses: actions/upload-artifact@v4
+    - uses: actions/upload-artifact@v5
       if: failure()
       with:
         name: upgrade-experimental-e2e-artifacts