chore: add gh_step_summary test wf

.github/workflows/summary.yaml

@@ -0,0 +1,16 @@
+name: test wf summary
+
+on:
+  workflow_dispatch:
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Run fail script
+        id: fail
+        run: ./scripts/failure.sh
+
+      - name: Run pass script
+        id: pass
+        run: ./scripts/sucess.sh

scripts/failure.sh

@@ -0,0 +1,9 @@
+#!/usr/bin/env bash
+
+echo "This script will fail"
+
+images=("alpine" "gibtsnicht:1.23.34")
+
+for image in "${images[@]}"; do
+    error=$(docker pull "$image" 2>&1) || echo "$error" >> "$GITHUB_STEP_SUMMARY"
+done

scripts/sucess.sh

@@ -0,0 +1,7 @@
+#!/usr/bin/env bash
+
+echo -e "This is a successful script execution"
+echo -e "This is a successful script execution"
+echo -e "This is a successful script execution"
+
+ls "$github_workspace"