Bump actions/download-artifact from 5.0.0 to 6.0.0 (#1245)

Bumps [actions/download-artifact](https://github.com/actions/download-artifact) from 5.0.0 to 6.0.0.
- [Release notes](https://github.com/actions/download-artifact/releases)
- [Commits](actions/download-artifact@634f93c...018cc2c)

---
updated-dependencies:
- dependency-name: actions/download-artifact
  dependency-version: 6.0.0
  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/qe-ocp.yml

@@ -138,7 +138,7 @@ jobs:
           ref: ${{ env.CERTSUITE_REF }}
 
       - name: Download pre-built certsuite binary
-        uses: actions/download-artifact@634f93cb2916e3fdff6788551b99b062d0335ce0 # v5.0.0
+        uses: actions/download-artifact@018cc2cf5baa6db3ef3c5f8a56943fffe632ef53 # v6.0.0
         with:
           name: certsuite-binary
           path: certsuite/

.github/workflows/qe.yml

@@ -178,7 +178,7 @@ jobs:
           extra-dirs: certsuite-sample-workload certsuite
 
       - name: Download pre-built certsuite binary
-        uses: actions/download-artifact@634f93cb2916e3fdff6788551b99b062d0335ce0 # v5.0.0
+        uses: actions/download-artifact@018cc2cf5baa6db3ef3c5f8a56943fffe632ef53 # v6.0.0
         with:
           name: certsuite-binary
           path: certsuite/
@@ -187,7 +187,7 @@ jobs:
         run: chmod +x certsuite/certsuite
 
       - name: Download pre-built image
-        uses: actions/download-artifact@634f93cb2916e3fdff6788551b99b062d0335ce0 # v5.0.0
+        uses: actions/download-artifact@018cc2cf5baa6db3ef3c5f8a56943fffe632ef53 # v6.0.0
         with:
           name: testimage
           path: /tmp