Swa preview worlflow should post exactly updated post url

[georgeOsdDev]

Current behavior:

Bot posts only SWA preview environment / path.

Expected behavior:

Bot should post exactly updated post path
Eg:
https://<swa.fqdn>/YYYY/MM/DD/.html

---

Conversion rule
_posts/YYYY-MM-DD-<title>.md
may hosted as
/YYYY/MM/DD/title.html

[georgeOsdDev]

Reference:
https://docs.github.com/en/actions/using-workflows/workflow-syntax-for-github-actions#jobsjob_idoutputs

[komayama]

Migrated new blog architecture, doesn't use that.