feat(deno): Add docs for Deno.cron (#8733)

Co-authored-by: getsantry[bot] <66042841+getsantry[bot]@users.noreply.github.com>

src/platform-includes/crons/setup/javascript.deno.mdx

@@ -0,0 +1,26 @@
+## Automatic Check-Ins (Recommended)
+
+_requires SDK version 7.88.0 or higher_
+
+Use the `DenoCron` integration to monitor your [`Deno.cron`](https://deno.com/blog/cron) calls and get notified when a schedule job is missed (or doesn't start when expected), if it fails due to a problem in the runtime (such as an error), or if it fails by exceeding its maximum runtime.
+
+```ts
+import * as Sentry from "https://deno.land/x/sentry/index.mjs";
+
+Sentry.init({
+  dsn: "__DSN__",
+  integrations: [new Sentry.DenoCron()],
+});
+```
+
+## Job Monitoring
+
+<Include name="javascript-crons-job-monitoring.mdx" />
+
+## Check-Ins
+
+<Include name="javascript-crons-checkins.mdx" />
+
+## Upserting Cron Monitors
+
+<Include name="javascript-crons-upsert.mdx" />

src/platforms/javascript/common/crons/index.mdx

@@ -15,7 +15,7 @@ supported:
 
 Sentry Crons allows you to monitor the uptime and performance of any scheduled, recurring job. Once implemented, it'll allow you to get alerts and metrics to help you solve errors, detect timeouts, and prevent disruptions to your service.
 
-<PlatformSection supported={["javascript.nextjs", "javascript.sveltekit", "javascript.remix", "javascript.astro", "javascript.bun"]}>
+<PlatformSection supported={["javascript.nextjs", "javascript.sveltekit", "javascript.remix", "javascript.astro", "javascript.bun", "javascript.deno"]}>
 
 ## Requirements
 
@@ -25,7 +25,7 @@ Sentry Crons allows you to monitor the uptime and performance of any scheduled,
 
 </PlatformSection>
 
-<PlatformSection notSupported={["javascript.nextjs", "javascript.sveltekit", "javascript.remix", "javascript.astro", "javascript.bun"]}>
+<PlatformSection notSupported={["javascript.nextjs", "javascript.sveltekit", "javascript.remix", "javascript.astro", "javascript.bun", "javascript.deno"]}>
 
 ## Requirements