[AUTO] Add release notes for 2.19.5

[opensearch-ci-bot]

Add release notes for 2.19.5

[github-actions]

PR Reviewer Guide 🔍

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🧪 No relevant tests

🔒 No security concerns identified

✅ No TODO sections

🔀 No multiple PR themes

⚡ No major issues detected

[github-actions]

PR Code Suggestions ✨

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Category	Suggestion	Impact
General	Add missing trailing newline to file The file is missing a newline at the end, as indicated by the \ No newline at end of file warning. Adding a trailing newline is a standard convention for text files and prevents issues with certain tools and diff viewers. release-notes/opensearch-sql.release-notes-2.19.5.0.md [11] +* Adjust shadowJar name ([#5203](https://github.com/opensearch-project/sql/pull/5203)) - Suggestion importance[1-10]: 3 __ Why: The suggestion points out a missing trailing newline, which is a minor but valid convention. However, the existing_code and improved_code are identical, making it impossible to verify the actual change from the snippets alone.	Low