fix: show lates changes in releases

fix for ##1048

.github/workflows/build-release.yml

@@ -29,11 +29,11 @@ jobs:
     - name: Extract latest CHANGELOG entry
       id: changelog
       run: |
-        CHANGELOG_CONTENT=$(awk '/^## \[/{n++} n==1' CHANGELOG.md)
-        echo "CHANGELOG_CONTENT<<EOF" 
-        echo "$CHANGELOG_CONTENT"
-        echo "EOF" 
-        echo "::set-output name=content::${CHANGELOG_CONTENT}"
+        CHANGELOG_CONTENT=$(awk 'BEGIN {print_section=0;} /^## \[/ {if (print_section == 0) {print_section=1;} else {exit;}} print_section {print;}' CHANGELOG.md)
+        CHANGELOG_ESCAPED=$(echo "$CHANGELOG_CONTENT" | sed ':a;N;$!ba;s/\n/%0A/g')
+        echo "Extracted latest release notes from CHANGELOG.md:" 
+        echo -e "$CHANGELOG_CONTENT" 
+        echo "::set-output name=content::$CHANGELOG_ESCAPED"
 
     - name: Create GitHub release
       uses: actions/github-script@v5