Review jobsync: add to services-check and homepage (#291)

## Summary
- Add jobsync pod check (ringtail k3s) and HTTP endpoint to `services-check`
- Add JobSync entry to homepage dashboard under new "Apps" group
- Mark jobsync as reviewed at v1.1.4 (current with upstream)
- Changelog fragment added

## Deployment and Testing
- [ ] Sync homepage app from branch: `argocd app set homepage --revision review/jobsync && argocd app sync homepage`
- [ ] Verify JobSync appears on go.ops.eblu.me dashboard
- [ ] Run `mise run services-check` to verify new checks pass
- [ ] After merge: `argocd app set homepage --revision main && argocd app sync homepage`

Reviewed-on: #291

argocd/manifests/homepage/services.yaml

@@ -61,6 +61,11 @@
     #     widget:
     #       type: caddy
     #       url: http://indri.tail8d86e.ts.net:2019
+- Services:
+    - JobSync:
+        href: https://jobsync.ops.eblu.me
+        icon: mdi-briefcase-search
+        description: Job application tracker
 - Infrastructure:
     - Authentik:
         href: https://authentik.ops.eblu.me

argocd/manifests/jobsync/ingress-tailscale.yaml

@@ -9,7 +9,7 @@ metadata:
     tailscale.com/proxy-group: "ingress"
     gethomepage.dev/enabled: "true"
     gethomepage.dev/name: "JobSync"
-    gethomepage.dev/group: "Apps"
+    gethomepage.dev/group: "Services"
     gethomepage.dev/icon: "mdi-briefcase-search"
     gethomepage.dev/description: "Job application tracker"
     gethomepage.dev/href: "https://jobsync.ops.eblu.me"