Try to set Sentry release on runtime

Author: BYK

.github/workflows/sentry-release.yml

@@ -2,7 +2,7 @@ name: Sentry Release
 
 on:
   push:
-    branches: [main]
+    branches: ["main"]
 
 jobs:
   sentry_release:

functions/_middleware.js

@@ -1,13 +1,14 @@
 import Toucan from "toucan-js";
 
 const errorHandler = async (event) => {
-  const {next, request, env} = event;
+  const {next, env} = event;
   const sentry = new Toucan({
     dsn: env.SENTRY_DSN,
     // Includes 'waitUntil', which is essential for Sentry logs to be delivered. Also includes 'request' -- no need to set it separately.
     context: event,
     allowedHeaders: /(.*)/,
     env: "production",
+    release: env.CF_PAGES_COMMIT_SHA,
   });
   event.data.sentry = sentry;
   try {