Update softprops/action-gh-release action to v2.6.1

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
softprops/action-gh-release	action	minor	v2.5.3 → v2.6.1

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Release Notes

softprops/action-gh-release (softprops/action-gh-release)

v2.6.1

Compare Source

2.6.1 is a patch release focused on restoring linked discussion thread creation when
discussion_category_name is set. It fixes #764, where the draft-first publish flow
stopped carrying the discussion category through the final publish step.

If you still hit an issue after upgrading, please open a report with the bug template and include a minimal repro or sanitized workflow snippet where possible.

What's Changed

Bug fixes 🐛

• fix: preserve discussion category on publish by @​chenrui333 in #​765

v2.6.0

Compare Source

2.6.0 is a minor release centered on previous_tag support for generate_release_notes,
which lets workflows pin GitHub's comparison base explicitly instead of relying on the default range.
It also includes the recent concurrent asset upload recovery fix, a working_directory docs sync,
a checked-bundle freshness guard for maintainers, and clearer immutable-prerelease guidance where
GitHub platform behavior imposes constraints on how prerelease asset uploads can be published.

If you still hit an issue after upgrading, please open a report with the bug template and include a minimal repro or sanitized workflow snippet where possible.

What's Changed

Exciting New Features 🎉

• feat: support previous_tag for generate_release_notes by @​pocesar in #​372

Bug fixes 🐛

• fix: recover concurrent asset metadata 404s by @​chenrui333 in #​760

Other Changes 🔄

• docs: clarify reused draft release behavior by @​chenrui333 in #​759
• docs: clarify working_directory input by @​chenrui333 in #​761
• ci: verify dist bundle freshness by @​chenrui333 in #​762
• fix: clarify immutable prerelease uploads by @​chenrui333 in #​763

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