Sleep 10s between registry login retries

Quay's registry occasionally returns transient errors during login.
The existing retry runs back-to-back, so a brief outage often fails
both attempts. Wait 10s before the second attempt to give the
registry time to recover.

Author: goelakash

.github/workflows/docker-tag-merge.yml

@@ -59,9 +59,10 @@ jobs:
           docker login ${{ env.REGISTRY }} \
             --username ${{ secrets.REGISTRY_USERNAME }} \
             --password ${{ secrets.REGISTRY_TOKEN }} || \
+          (sleep 10 && \
           docker login ${{ env.REGISTRY }} \
             --username ${{ secrets.REGISTRY_USERNAME }} \
-            --password ${{ secrets.REGISTRY_TOKEN }}
+            --password ${{ secrets.REGISTRY_TOKEN }})
         shell: bash
         id: login
 

.github/workflows/docker-tag-push.yml

@@ -60,9 +60,10 @@ jobs:
           docker login ${{ env.REGISTRY }} \
             --username ${{ secrets.REGISTRY_USERNAME }} \
             --password ${{ secrets.REGISTRY_TOKEN }} || \
+          (sleep 10 && \
           docker login ${{ env.REGISTRY }} \
             --username ${{ secrets.REGISTRY_USERNAME }} \
-            --password ${{ secrets.REGISTRY_TOKEN }}
+            --password ${{ secrets.REGISTRY_TOKEN }})
         shell: bash
         id: login