chore: lint and update go version

go.mod

@@ -1,3 +1,3 @@
 module github.com/dyne/mattermost_commands
 
-go 1.22
+go 1.23

main.go

@@ -1,11 +1,21 @@
 package main
 
 import (
-  "log"
-  "net/http"
+	"net/http"
+	"time"
 )
 
 func main() {
-  handler := http.HandlerFunc(MiniServer)
-  log.Fatal(http.ListenAndServe(":4444", handler))
+	handler := http.HandlerFunc(MiniServer)
+
+	server := &http.Server{
+		Addr:              ":4444",
+		ReadHeaderTimeout: 3 * time.Second,
+		Handler:           handler,
+	}
+
+	err := server.ListenAndServe()
+	if err != nil {
+		panic(err)
+	}
 }

server.go

@@ -35,7 +35,10 @@ It'll be great to have you there—let's connect and make it a good one! 💫
 `, address, r.FormValue("user_name"))
 	data := Notification{text, "in_channel", address}
 	w.Header().Set("Content-type", "application/json")
-	json.NewEncoder(w).Encode(&data)
+	err = json.NewEncoder(w).Encode(&data)
+	if err != nil {
+		panic(err)
+	}
 }
 
 func getEncodedAddress(path string) string {