chore(deps): update withastro/action action to v4 (#310)

Author: renovate[bot]

.github/workflows/release.yml

@@ -36,7 +36,7 @@ jobs:
           NPM_TOKEN: ${{ secrets.NPM_TOKEN }}
         run: npx semantic-release
       - name: Install, build, and upload your site output
-        uses: withastro/action@v3
+        uses: withastro/action@v4
         with:
             # path: . # The root location of your Astro project inside the repository. (optional)
             # node-version: 18 # The specific version of Node that should be used to build your site. Defaults to 18. (optional)