Add two more helpful steps to update-major-version-tag workflow (#231)

Add steps to update-major-version-tag workflow to: 
* Reset the major version tag on the local runner in case it's needed for subsequent workflow steps; and 
* Display details on the new major version tag to verify it points to the latest release.

.github/workflows/update-major-version-tag.yml

@@ -24,3 +24,9 @@ jobs:
           git fetch --tags
           git tag -f ${{ env.major_version }} ${{ github.event.release.tag_name }}
           git push origin ${{ env.major_version }} --force
+
+      - name: Fetch Updated Tags
+        run: git fetch --tags --force
+
+      - name: Verify Tag
+        run: git show ${{ env.major_version }}