Upgrade pagic version

Author: xcatliu

.github/workflows/gh-pages.yml

@@ -24,7 +24,7 @@ jobs:
           export DENO_INSTALL="/home/runner/.deno"
           export PATH="$DENO_INSTALL/bin:$PATH"
           deno --version
-          deno install --unstable --allow-read --allow-write --allow-net --allow-run -n pagic https://deno.land/x/[email protected].3/mod.ts
+          deno install --unstable --allow-read --allow-write --allow-net --allow-run -n pagic https://deno.land/x/[email protected].4/mod.ts
           pagic build
 
       - name: Deploy gh-pages