Update CHANGELOG.md

Author: westonganger

CHANGELOG.md

@@ -4,14 +4,14 @@ CHANGELOG
 - **Unreleased** - [View Diff](https://github.com/westonganger/spreadsheet_architect/compare/v5.1.1...master)
   - Nothing yet
 
-- **v5.1.1** - [View Diff](https://github.com/westonganger/spreadsheet_architect/compare/v5.1.0...v5.1.1)
+- **v5.1.1** - Apr 26, 2026 - [View Diff](https://github.com/westonganger/spreadsheet_architect/compare/v5.1.0...v5.1.1)
   - [#71](https://github.com/westonganger/spreadsheet_architect/pull/71) - Change gemspec to caxlsx >= 4.0. This was mistakenly restricted caxlsx to v4.0 and below.
 
-- **v5.1.0** - [View Diff](https://github.com/westonganger/spreadsheet_architect/compare/v5.0.1...v5.1.0)
+- **v5.1.0** - Jan 7, 2025 - [View Diff](https://github.com/westonganger/spreadsheet_architect/compare/v5.0.1...v5.1.0)
   - [#68](https://github.com/westonganger/spreadsheet_architect/pull/68) - Require `caxlsx` v4.0 or greater (to support frozen_string_literal) and remove version locking for `rodf`
   - [#64](https://github.com/westonganger/spreadsheet_architect/pull/64) - Explicitly list `csv` gem as a dependency to better support Ruby 3.4
 
-- **v5.0.1** - [View Diff](https://github.com/westonganger/spreadsheet_architect/compare/v5.0.0...v5.0.1)
+- **v5.0.1** - July 23, 2024 - [View Diff](https://github.com/westonganger/spreadsheet_architect/compare/v5.0.0...v5.0.1)
   - [#53](https://github.com/westonganger/spreadsheet_architect/pull/53) - Remove legacy string_width patch for axlsx 3.1 and below
   - [#57](https://github.com/westonganger/spreadsheet_architect/pull/57) - Fix typo in error message for `:conditional_row_styles`