fix: replace workflow step summaries

.gitea/workflows/prepare-release.yml

@@ -23,6 +23,8 @@ jobs:
     defaults:
       run:
         shell: bash
+    env:
+      SUMMARY_FILE: ${{ runner.temp }}/prepare-release-summary.md
     steps:
       - name: Checkout
         uses: actions/checkout@v4
@@ -61,7 +63,21 @@ jobs:
             echo
             echo "- Tag pushed: ${tag}"
             echo "- Calling Do Release workflow for ${tag}."
-          } >> "$GITHUB_STEP_SUMMARY"
+          } >> "$SUMMARY_FILE"
+
+      - name: Summary
+        if: ${{ always() }}
+        run: |
+          set -euo pipefail
+
+          echo 'Summary'
+          echo
+
+          if [[ -s "$SUMMARY_FILE" ]]; then
+            cat "$SUMMARY_FILE"
+          else
+            echo 'No summary generated.'
+          fi
 
   publish:
     needs: prepare