Update main.yml

Author: gisma

.github/workflows/main.yml

@@ -19,7 +19,7 @@ jobs:
           restore-keys: |
             ${{ runner.os }}-gems-
       - name: Build & Deploy to GitHub Pages
-        uses: joshlarsen/jekyll4-deploy-gh-pages@master
+        uses: joshlarsen/jekyll4-deploy-gh-pages@main
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
           GITHUB_REPOSITORY: ${{ secrets.GITHUB_REPOSITORY }}