override wrong release note

when i run "gren release":

(base) root@ubuntu:~# gren release '--username=haiming3' '--repo=mercuy' '--data-source=prs' '--tags=build.20210901..build.20210825' '--token=' --override

🤖 - Generate release notes:
===================================
✔ Releases found: 3
✔ Tags found: build.20210825, build.20210901
✔ Pull Requests found: 86
✔ build.20210825 has been successfully updated!
See the results here: https://github.com/haiming3/mercuy/releases/tag/build.20210825

question：
As seen above, gren will update my "build. 20210825". Shouldn't it update my "build. 20210901"?

My configuration is -- tags = build. 20210901.. build. 20210825 '

build. 20210901 is my new tag

Reproduce the reported `gren release` command using `--override` and the tag range `build.20210901..build.20210825`. Start by tracing how the release command interprets the `--tags` range and selects the release to update. Done means the command updates the intended newer tag, with coverage for this tag-order case.

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