[CORE-69]: Bump the artifact-actions group with 2 updates

Bumps the artifact-actions group with 2 updates: [actions/upload-artifact](https://github.com/actions/upload-artifact) and [actions/download-artifact](https://github.com/actions/download-artifact).


Updates `actions/upload-artifact` from 5 to 6
- [Release notes](https://github.com/actions/upload-artifact/releases)
- [Commits](actions/upload-artifact@v5...v6)

Updates `actions/download-artifact` from 6 to 7
- [Release notes](https://github.com/actions/download-artifact/releases)
- [Commits](actions/download-artifact@v6...v7)

---
updated-dependencies:
- dependency-name: actions/upload-artifact
  dependency-version: '6'
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: artifact-actions
- dependency-name: actions/download-artifact
  dependency-version: '7'
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: artifact-actions
...

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

Author: dependabot[bot]

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

@@ -85,7 +85,7 @@ jobs:
 
       - name: Upload Test Reports
         if: steps.build-test.outcome == 'failure'
-        uses: actions/upload-artifact@v5
+        uses: actions/upload-artifact@v6
         with:
           name: Test Reports
           path: service/build/reports

.github/workflows/publish-pacts.yml

@@ -127,7 +127,7 @@ jobs:
 
       - name: Upload pact files to artifact
         id: upload-pacts
-        uses: actions/upload-artifact@v5
+        uses: actions/upload-artifact@v6
         with:
           name: ${{ env.WDS_PACTS_ARTIFACT }}
           path: ${{ env.WDS_PACTS_OUTPUT_DIR }}
@@ -142,7 +142,7 @@ jobs:
     steps:
       - name: Download pact files from artifact
         id: download-pacts
-        uses: actions/download-artifact@v6
+        uses: actions/download-artifact@v7
         with:
           name: ${{ env.WDS_PACTS_ARTIFACT }}
           path: ${{ env.WDS_PACTS_OUTPUT_DIR }}