Update action-download-artifact actions

- Update to the latest version of action-download-artifact.
- Do not update the indy-shared-gha actions to v2 on the 20.04 branch. v2 is for the 22.04 branch.

Signed-off-by: Wade Barnes <wade@neoterictech.ca>

Author: WadeBarnes

.github/workflows/PublishRelease.yaml

@@ -53,15 +53,15 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v4
       - name: Download sovrin deb Artifacts from Github Action Artifacts
-        uses: dawidd6/action-download-artifact@v3
+        uses: dawidd6/action-download-artifact@v5
         with:
           github_token: ${{secrets.GITHUB_TOKEN}}
           workflow: Releasepr.yaml
           workflow_conclusion: success
           name: sovrin-deb
           path: artifacts/sovrin-deb
       - name: Download sovrin python Artifacts from Github Action Artifacts
-        uses: dawidd6/action-download-artifact@v3
+        uses: dawidd6/action-download-artifact@v5
         with:
           github_token: ${{secrets.GITHUB_TOKEN}}
           workflow: Releasepr.yaml