build(deps): bump github.com/gofiber/fiber/v3 from 3.1.0 to 3.3.0 in /example

[dependabot]

Bumps github.com/gofiber/fiber/v3 from 3.1.0 to 3.3.0.

Release notes

Sourced from github.com/gofiber/fiber/v3's releases.

v3.3.0

🚀 New

• Add support for configuring the Regex engine on the router (#4254) Swap the compiler used for regex() route constraints. Assign a drop-in engine such as coregex.MustCompile for faster matching;Fiber reuses the compiled matcher across requests.

  app := fiber.New(fiber.Config{
      RegexHandler: coregex.MustCompile, // default: regexp.MustCompile
  })

  https://docs.gofiber.io/api/fiber#regexhandler
• Host auth middleware (#4199) New hostauthorization middleware that validates the incoming Host header against an allowlist (exact host, .subdomain wildcard, CIDR range) to protect against DNS rebinding attacks.

  app.Use(hostauthorization.New(hostauthorization.Config{
      AllowedHosts: []string{"api.myapp.com", ".myapp.com", "10.0.0.0/8"},
  }))

  https://docs.gofiber.io/middleware/hostauthorization
• Delegate implementation to fasthttp/prefork (#4210) Prefork now delegates to fasthttp's prefork package and adds PreforkRecoverThreshold (max child restarts before the master exits) and PreforkLogger to ListenConfig. https://docs.gofiber.io/api/fiber#preforkrecoverthreshold
• Add support for contextual logs (#4241) Render request-scoped fields in log.WithContext(c) by configuring a template with log.SetContextTemplate, reusing the middleware/logger engine (including ${value:key} for arbitrary context values).

  log.MustSetContextTemplate(log.ContextConfig{Format: log.RequestIDFormat})
  app.Get("/", func(c fiber.Ctx) error {
  log.WithContext(c).Info("start") // renders the request id
  return c.SendString("ok")
  })

  
  https://docs.gofiber.io/api/log#bind-context
• Add storage backed SharedState for prefork applications (#4243) A prefork-safe, storage-backed key/value store via app.SharedState() for data shared across workers/processes, with JSON/MsgPack/CBOR/XML helpers and automatic key namespacing. app.State() stays process-local.

  app := fiber.New(fiber.Config{
      SharedStorage: redis.New(), // any fiber.Storage shared across workers
  })
  app.SharedState().SetJSON("config", cfg, 0)

  https://docs.gofiber.io/api/state#sharedstate-prefork-safe
• Add lightweight SSE middleware (#4239) A Fiber-native middleware/sse for Server-Sent Events: SSE headers, event/comment/retry frames, per-write flushing, heartbeats, Last-Event-ID access, and disconnect detection via stream.Context().

  app.Get("/events", sse.New(sse.Config{
      Handler: func(c fiber.Ctx, stream *sse.Stream) error {
          return stream.Event(sse.Event{Name: "message", Data: fiber.Map{"message": "hello"}})
      },

... (truncated)

Commits

• a39a035 Merge pull request #4308 from gofiber/fix-mounted-routes-regex-engine-issue
• 25fd939 fix: copy RegexHandler/customConstraints to wrapper app and add positive test...
• f2ce702 🐛 bug: preserve mounted sub-app regex handler
• ee0c55a Merge pull request #4254 from gofiber/claude/add-alternative-regex-support
• 80078d8 🐛 bug: simplify regex handler docs and API surface
• 6831609 🐛 bug: fix latest regex review comments
• be5f4b8 Merge branch 'main' into claude/add-alternative-regex-support
• 2c3b23c 🐛 bug: preserve constraint compatibility for regex matchers
• f3a2ddc Merge pull request #4307 from gofiber/fix-host-authorization-trailing-dot-nor...
• c29053c Potential fix for pull request finding
• Additional commits viewable in compare view

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