ci: refactor workflows — ci on PRs, publish+deploy on merge to master

- ci.yml: runs tests + build on PRs only
- publish.yml: runs on merge to master; ci → publish to npmjs.com,
  GitHub Packages, and GitHub Release (on v* tags)
- deploy.yml: runs on merge to master; build → deploy to GitHub Pages

- merge deploy and publish workflow
- refactor ci and publish workflow

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

Author: gajendrajena

.github/workflows/deploy.yml

@@ -18,7 +18,7 @@
     "./css": "./dist/selectra.css"
   },
   "description": "Selectra — A powerful, extensible <select> UI control for tagging, contact lists, country selectors, and autocomplete. Built with Alpine.js and Tailwind CSS.",
-  "version": "1.0.7",
+  "version": "1.0.8",
   "author": "Brijesh Sajeev<mailtobrijesh2003@gmail.com>",
   "contributors": [
     "Gajendra Jena <gaju.mca@gmail.com>"