ci: replace yq install with action

- Switched from manual wget download to mikefarah/yq GitHub Action

Author: stone

.github/workflows/check_upstream_releases.yaml

@@ -15,9 +15,7 @@ jobs:
         uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5
 
       - name: Install yq
-        run: |
-          wget -qO /usr/local/bin/yq https://github.com/mikefarah/yq/releases/latest/download/yq_linux_amd64
-          chmod +x /usr/local/bin/yq
+        uses: mikefarah/yq@v4
 
       - name: Check for upstream releases and trigger updates
         env: