ci: squash history on main branch

Author: KieranKaelin

.github/workflows/release.yaml

@@ -32,10 +32,11 @@ jobs:
         run: |
           tar -xf ./dist/hugo-geekdoc.tar.gz -C ./dist; rm ./dist/hugo-geekdoc.tar.gz
 
-      - name: Push to dist branch
+      - name: Push to main branch
         uses: s0/git-publish-subdir-action@develop
         env:
           REPO: self
           BRANCH: main
           FOLDER: main
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          SQUASH_HISTORY: true