feat(workflow): enhance test-upgrade-legacy with SSH config and grouping

- Added SSH configuration setup to ensure stable connections.
- Grouped preparation and conversion steps for better readability in logs.

Author: CoMfUcIoS

.github/workflows/test-upgrade-legacy.yaml

@@ -111,14 +111,23 @@ jobs:
       - name: Convert one compiler to legacy
         timeout-minutes: 120
         run: |
+          echo ::group::prepare
+            mkdir -p $HOME/.ssh
+            echo 'Host *'                      >  $HOME/.ssh/config
+            echo '    ServerAliveInterval 150' >> $HOME/.ssh/config
+            echo '    ServerAliveCountMax 2'   >> $HOME/.ssh/config
+            bundle exec rake spec_prep
+          echo ::endgroup::
           primary=$(yq '.groups[].targets[] | select(.vars.role == "primary") | .uri' spec/fixtures/litmus_inventory.yaml)
           compiler=$(yq '.groups[].targets[] | select(.vars.role == "compiler") | .uri' spec/fixtures/litmus_inventory.yaml | head -n 1)
+          echo ::group::convert_compiler_to_legacy
           bundle exec bolt plan run peadm::convert_compiler_to_legacy \
             --inventoryfile spec/fixtures/litmus_inventory.yaml \
             --modulepath spec/fixtures/modules \
             --no-host-key-check \
             primary_host=$primary \
             legacy_hosts=$compiler
+          echo ::endgroup::
       - name: Upgrade PE on test cluster
         timeout-minutes: 120
         run: |