chore: bump version to 1.5.0

[wangyb-A]

Summary

This release adds concurrency nesting support, parallel/map branch naming, SDK user-agent headers, and non-retryable error classification. It also fixes payload size limit handling, virtual context checkpoint bugs, and replay status after paginated state.

Features

• feat: add sdk name/version to user agent header by @nvasiu in feat: add sdk name/version to user agent header #344
• feat: add nesting_type to concurrency operations by @zhongkechen in [feature]: add nesting_type to concurrency operations #351
• feat: Classify non-retryable customer errors for Durable API calls by @denzyll in feat: Classify non-retryable customer errors for Durable API calls #358
• feat: Add Lambda bundled runtime useragent header by @nvasiu in Add Lambda bundled runtime useragent header #379
• feat: parallel and map branch name by @wangyb-A in feat: parallel and map branch name #387

Bug Fixes

• fix: exceeds payload size limit as invocation error by @andreas-baakind-adsk in fix: exceeds payload size limit as invocation error #341
• fix: input payload too big to fit in initial execution state by @zhongkechen in [fix]: input payload too big to fit in initial execution state #354
• fix: Virtual Context bug on parent id and FAIL checkpoint emitting by @yaythomas in Virtual Context bug on parent id and FAIL checkpoint emitting #364
• fix: change format of user agent header by @nvasiu in fix: change format of user agent header #368
• fix: replay status after paginated state by @tejakusireddy in fix: replay status after paginated state #377
• fix: remove lowercase requirement from linter by @zhongkechen in fix: remove lowercase requirement from linter #382
• fix: checkpoint START when retry a failed step by @zhongkechen in fix: checkpoint START when retry a failed step #381

New Contributors

• @andreas-baakind-adsk made their first contribution in fix: exceeds payload size limit as invocation error #341
• @nvasiu made their first contribution in feat: add sdk name/version to user agent header #344
• @zhongkechen made their first contribution in [feature]: add nesting_type to concurrency operations #351
• @denzyll made their first contribution in feat: Classify non-retryable customer errors for Durable API calls #358
• @Genmin made their first contribution in test: make parallel serdes assertions order independent #367
• @tejakusireddy made their first contribution in fix: replay status after paginated state #377

Full Changelog: v1.4.0...v1.5.0